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  Natural Biblical Health

Iodine Nutrition

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I know that this a long article.  It was passed on to me by a client with breast cancer.  She followed what was written  herein with 100% success. It came originally from Hallelujah Acres. We should be profoundly grateful for the  thorough and detailed research that was put into it. If you have any kind of ailment, disease or cancer, read this from the first word to the last. One of the most important articles ever!!!!    Teresa

Recent Advances in Iodine Nutrition

Michael Donaldson, PhD


Summary
Though iodine is known for its importance for the thyroid, little has been publicized about its other roles. Iodine is needed in microgram amounts for the health of the thyroid. For the rest of the body iodine is needed in larger amounts, hundl.eds of micrograms or even milligram amounts; perhaps as much as 100 times as much as the RDA.
Iodine supports the health of many organs in the body. It is taken up by most every gland and, when taken in milligram quantities, is found in nearly every tissue of the body. The thyroid cannot function properly without an adequate supply of iodine, and much of the subclinical hypothyroidism in the USA is likely just a shortage of iodine. The immune system uses iodine to fight infections, so many chronic illnesses tax the body's iodine supply. The reproductive glands and tissues have high levels of iodine in them, if iodine is provided. This iodine is necessary for optimal function of the breasts, ovaries, endometrium, and prostate. Research has shown that milligram amounts of iodine can reverse fibrocystic breast disease. Iodine suppresses chemically-induced breast cancer in rats. Iodine balances estrogen levels, thus supporting ovary health. Sufficient iodine is needed for a stable rhythmic heart beat. Iodine, directly or indirectly, can normalize serum cholesterol levels and normalize blood pressure. Iodine attaches to insulin receptors and improves glucose metabolism, which is good news for people with diabetes. Iodine is essential for the development of the central nervous system; women need a good supply before becoming pregnant. Iodine may also play a role in bone health and lung function. Even the skin needs iodine. Iodine has been shown to help remove heavy metals from the body along with bromide.
Iodine can be obtained as a dietary supplement, and it matters what type. Natural iodine supplements have a long history of safe use. For general health maintenance an intake of one to three milligrams of iodine, supplied as a mix of iodine and iodide, is likely to be helpful. For people with lower organ function and in greater need of optimization of body iodine stores intakes up to 50 mg per day can be done safely. If intakes of more than 10 mg per day are used continually it is highly recommended that a person has their thyroid function checked twice a year.
Introduction                                                                                                                                
In many ways the American population has not been well served by those who make food policies and dietary guidelines. Sometimes this is for selfish reasons, desiring personal gain at the expense of others. Sometimes there is genuine ignorance mixed in with an incredible lack of interest in new ideas or ways to bring health to the world' s people.
Such is the case with iodine. There is some ignorance about how larger intakes can be beneficial to people while there is a ‘professional' skepticism gathered from medical  school and university days that high levels of iodine are “toxic”.  But  we should always be looking for ways to empower people to take care of their own bodies in a way that is safe and effective. After quite some time examining the evidence around iodine, its use in milligram amounts, and the benefits of iodine, we are ready to pass along our findings to you.
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_The human body has a requirement for iodine (discussed in detail below) that must be met from what we eat. Land vegetables, unfortunately, have very, very little iodine in them as there is very little iodine in the soil. If the soil is fertilized with kelp, or irrigated with iodine-rich water then garden produce can contain substantial amounts of iodine. Sea vegetables have the ability to concentrate iodine out of sea water, making them an excellent source of iodine. Dairy products, eggs, and iodized salt are generally where Americans get their iodine. Dairy products contain iodine because iodine is concentrated by all mammary glands.
In order to control goiter, David Marine conducted controlled studies with school children, supplying them with iodine in the 1930’s. After these trials showed conclusively that iodine could prevent and reverse simple goiter the public was offered iodized salt as a way to prevent goiter. And so now we associate iodine with the prevention of goiter and proper thyroid function. And that is all that most of us know about the action of iodine. But some research has brought to light that iodine plays a much greater role in the body than just keeping the thyroid functioning properly. Much more.
Where is Iodine Found in the Body
The primary role of iodine is to make thyroid hormones. But there are several other roles that iodine also plays in the body. Iodine has the ability to attach to tyrosine and histidine amino acid residues on proteins throughout the body. Iodine also reacts with double carbon bonds in lipids, making it possible to form iodolipids. Iodine also functions as an antioxidant in the body, raising the serum total antioxidant capacity. So, you can see that iodine's chemistry is much more than just the production of thyroid hormones.
The thyroid gland is the main iodine-concentrating gland of the body. It is widely stated that the body contains between 15 and 20 mg of iodine and that two-thirds of this iodine is found in the thyroid gland (I). Under microgram intakes this is true, but under high intakes of iodine much of the rest of the body also contains iodine, up to 1,500 mg or so (2). This is one area of ignorance. Where does all of this iodine go?
Other organs are also able to take up iodine, too, by the same transport protein as the thyroid. Research has shown that the receptor for iodine uptake is in the thyroid gland, salivary gland, parotid gland, submandibular gland, pituitary gland, pancreas, testis, mammary gland, gastric mucosa, prostate, ovary, adrenal gland, heart, thymus, lung, (3) bladder, kidney, endometrium, (4) and also breast, ovary and colon (5) and the lacrmal gland (6). The ovaries hold the second highest concentration of iodine, after the thyroid. The breasts also have a high concentration of iodine. Most secretions in the body, whether gastric, nasal, tears, sweat, etc., have iodine in them if sufficient iodine is present in the body. The skin also contains quite a bit of iodine, though its exact role isn’t clear. Dr. Flechas tells that clinically the ability to sweat is related to iodine and extremely low  body  iodine stores prevent sweating, opening the body to the spread of cancer (7). Many of the functions of iodine are separate from its role as part of thyroid hormones. Iodine has a major impact on the thyroid, but it will also have a direct impact on all of the other tissues of the body that utilize iodine.
Now we will look at different glands and systems of the body that are affected by iodine in more detail.
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 Thyroid
The thyroid utilizes iodine to make thyroxine, or T4 as it is commonly called, and triiodothyronine, or T3. Thyroxine contains 4 iodine atoms and triiodothyronine contains 3 iodine atoms. The thyroid secretes about 10% T3 and 90% T4 into the bloodstream. The organs of the body can convert the T4 into the more active T3 form via enzymes called deiodenases. Release of the thyroid hormones is controlled by thyroid releasing hormone, from the hypothalamus, which is sent to the pituitary, which secretes thyroid stimulating hormone, TSH, which causes the activity of the thyroid to increase and secrete more T3 and T4. Elevated levels of T3 in the blood downregulate the hormones from the hypothalamus and pituitary. High levels of iodine temporarily (26-40 hours) inhibit release of T3 and T4 from the thyroid (acute Wolff-Chaikoff effect), but then normal function of the thyroid continues as previously (escape from the Wolff-Chaikoff effect) after the thyroid down-regulates the number of sodium-iodide symporters in the cell membranes of the thyroid.
The thyroid hormones regulate your metabolic rate, and thus energy production, of the entire body. The effects are felt in every system and cell of the body. A glance at the symptoms of hypothyroidism (see Table I) gives an idea of the wide range of effects.
In infants and children theses hormones are necessary for normal growth and development, both physically and mentally. Very severe hypothyroidism in the womb and in infancy leads to cretinism, a dwarfed and mentally retarded state that quickly becomes permanent.

 Goiters used to be more common in the USA before the iodination of salt. Simple goiter is an enlargement of the thyroid due to the lack of iodine. The thyroid expands so that it can better capture iodine from a very scarce blood supply. Goiters can also be due to an autoimmune reaction as well, but even here a lack of iodine probably still plays a role.
Hypothyroidism can be caused by a multitude of factors, including a lack of iodine. The Biblically correct diet  takes care of most of the other factors, except for iodine. Hypothyroidism slows down your entire metabolism and causes many symptoms which vary in different people. Not everyone has all of the symptoms. Some of the common symptoms are given in Table 1, taken from Dr. Brownstein's book, Iodine: Why you Need It,  Why You Can't Live Without It (8). Two of the most common symptoms are fatigue and being cold when everyone else is warm.
Fibromyalgia and Chronic Fatigue Syndrome may be a manifestation of a hypothyroid condition. It is no coincidence that hypothyroidism, fibromyalgia, and chronic fatigue syndrome are all much more common in women. There is a common link-women need :more iodine than men. This is true not only during pregnancy and lactation, but for every women. Women just use more hormones for gonad (sexual organ) function. Breast tissue requires iodine for maintenance of structure (9) and to keep cells exposed to hormone surges from multiplying out of bounds.
Since iodine is an integral part of the thyroid hormones, it is obvious that a lack of iodine is going to have a direct effect on the ability of the thyroid to produce these hormones. Even if a doctor prescribes replacement thyroid hormone, iodine is always still needed to fully support the function of the thyroid. The prescription hormone takes care of the symptom, but sufficient iodine will meet the underlying cause of many cases of subclinical hypothyroidism .
Autoimmune disorders of the thyroid are also more common when people lack sufficient iodine. Both hyperthyroid and hypothyroid conditions can result from a lack of iodine, in combination with other factors. Dr. Brownstein mentioned that 92% of his patients with Hashimoto's or Grave's disease also were deficient in iodine (8). Further, symptoms Improved dramatically when they took high amounts of iodine to build up their body's supply of iodine.
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Breast                                                                        
In Japan seaweed, a concentrated source of iodine, has a legendary history for protecting woman’s health, In Korea, new mothers are traditionally fed seaweed soup (10). We are  beginning to understand what these cultures have known for a long time. Lactating women actively take up the iodide ion by the same symporter protein that is in the thyroid. However, molecular iodine is also taken up by the breasts, and not just when a women is nursing. The concentration in the breast tissue is not as high as in the thyroid or ovaries, but because of their much larger size a substantial portion of iodine can be present in the breasts, if supplied to the body.
A link between thyroid function and breast disease was reported in the Western medical literature over 100 years ago. Since then there has been some controversy over this link, but some very clear results have now demonstrated that there is a connection that can be ignored only to the peril of women's health. The hypothesis being put forward here is that a lack of iodine changes the architecture of the tissue of the breast by not being available to cause differentiation of cells or apoptosis of abnormal breast cells that respond to hormonal surges. The connection between breast disease, including cancer, and thyroid disease is a lack of iodine, which negatively affects both of them independently. There are four lines of evidence: (1) thyroid disease-breast cancer link, (2) iodine content in breast tumors and normal breast tissue, (3) animal models wherein iodine suppressed breast tumors, and (4) resolution of fibrocystic breast disease in women.
A recent study investigated the question of whether there was an increased risk for breast cancer for women who had already had thyroid cancer. Using the National Cancer Institute's large database they found that white premenopausal women had a 42% higher risk of developing breast cancer than expected if the two  cancers were not related (11). Having breast cancer first did not lead to higher levels of thyroid cancer. Though the radioactive iodine treatment was detrimental to the breasts as well, there is more to the connection than that.

Smyth and coworkers (12) looked at thyroid volumes in 200 patients with breast cancer 354 with benign breast disease, and 124 healthy premenopausal women in a control comparison group. Mean thyroid volumes were 21.2 ± 1.4 ml in the breast cancer group. 14.5 ± 0.34 ml in the benign breast disease group, and 12.5 ± 0.38 ml in the healthy control group, all being significantly different from each of the other groups. The breast cancer group was also significantly different from age-matched controls.  Smyth and coworkers has seen similar results in a previous study (13), which is consistent with the hypothesis that a lack of iodine causes an enlarged thyroid and also leads to breast disease.
In a study from the University Of Pisa in Italy researchers looked for thyroid disease in 102 consecutive breast cancer patients right after their surgery for breast cancer. The overall prevalence of thyroid disease in the breast cancer patients was 46%, compared to just 14% in their control group (]4). Nodular goiter (27%) and Hashimoto's thyroiditis (14%) accounted for most of the thyroid disease. Another study found a significantly  higher incidence of thyroid antibodies in breast cancer patients (50%) compared to age-matched healthy controls (15), Turken and coworkers examined 150 breast cancer patients (without known thyroid disease) and 100 age-matched control women for thyroid abnormalities. They, too, found an association between high levels of autoimmune thyroiditis (38% versus 17% breast cancer versus control group), nodular goiter (50% versus 26%), and breast cancer (16). Thyroid Disease  is often associated with breast cancer. More direct evidence below shows the link is low iodine intake.

Interestingly, in all four of the studies just mentioned. values for thyroid function (T3, T4, TSH) were all nomad in all groups, showing that these tests do not accurately catch early stages of thyroid disease. Normal levels of thyroid hormones are very important for the body, so the thyroid gland is designed to accommodate many levels of iodine intake, both very low and very high, before hormone levels are changed. Dr. David Derry suggests that the TSH test, which is the standard used by endocrinologists for monitoring thyroid  health, is useless since it doesn't correlate with symptoms of the patient (17). Possibly thyroid volume, measured ultrasonically, would be a better indicator of optimal thyroid function.
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More direct evidence of iodine levels in breast tumors was seen in a study by Kilbane and coworkers (18). Total tissue iodine levels in 23 benign tumors was 80.9 ± 9.5 ng I/mg protein, compared to a value of 18.2 ± 4.2 ng I/mg protein in 19 breast cancers. Thyroid antibodies in the blood, an indication of autoimmune thyroid disease, was much more common in the breast control group than in the female age-matched control group. So, here there is a link between breast cancer, low iodine, and thyroid disease. Iodine induces apoptosis of abnormal cells, so low levels of iodine in tissue can allow abnormal cells to develop into tumors, if not caught by other defense mechanisms of the body.
A third line of evidence comes from animal studies. Indeed animal studies by the Japanese researchers have shown that Lugal’s iodine solution (19) as well as  Wakame seaweed (20) and a water extract of Mekabu seaweed (21) all were able to suppress growth of mammary tumors in rats fed the carcinogen 7,12-dimethylbenz(a)anthracene. The water extract of Mekabu clearly included apoptosis, or programmed cell death, in a human breast cancer cell lines  as well (21,22). Molecular work by Eskin’s group has shown that iodine downregulates the estrogen receptors in breast cancer cells and changes the expression of genes involved in differentiation, cell cycle, hormone metabolism, and cancer growth (23). Together these animal and in vitro studies show how iodine could be working at a molecular level and give plausibility to the iodine-breast cancer link.
In addition to breast cancer, Bernard Eskin published several studies showing that iodine was necessary just for normal breast tissue structure in higher vertebrates (9). When rats were given low iodine diets their breast tissue changed in ways very similar to what is seen in fibrocystic breast disease in women. Also, the rats' breasts were more susceptible to carcinogens and promoted lesions earlier and in greater abundance. This led Eskin's group to pursue clinical studies of women with fibrocystic breast disease, supplementing their diet with iodine.
Fibrocystic breast disease is associated with lumps in the breasts and cyclical breast pain. About 70% of reproductive age women regularly experience cyclical breast pain, and 10-30% of them have pain severe enough to interfere with normal activities (24-26).  Fibrocystic breast disease, which is benign and not cancerous, increases the risk of breast cancer. The greater the changes in the tissue the higher the risk, almost double for proliferative changes and a four-fold increased risk for atypical hyperplasia (27). In a study of 111 women with benign fibrocystic breast disease they were given iodine at different levels for 6 months. Their own ratings of pain fell significantly by 3 months in the 3 mg iodine/day and the 6 mg iodine/day groups, but not in the placebo or the 1.5 mg  iodine/day. Physician assessments of breast pain, tenderness, and nodularity were also significantly less in the 3 and 6 mg iodine/day groups (28). At least 3 mg of iodine/day were needed to get a response. William Ghent and Bernard Eskin together treated over 1,300 patients with fibrocystic breast disease using iodine in 3 different forms, with over 70% improvement in pain and objective evaluations using elemental iodine at 4 months (29), and over 90% recovery after 16 months of treatment (30). Treatment usually was in  the range of 3-6 mg of iodine, though some clinicians have also found higher amounts to work safely and faster.
So, iodine appears to be the primary link between thyroid health and breast health. Both organs independently require iodine and a shortage of it will cause disease in either one or both of them.
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 OVARIES
After the thyroid gland the ovaries contain the highest concentration of iodine. Dr. Flechas has seen that iodine reverses polycystic ovarian syndrome. Ghent and Eskin reported the reversal of ovarian cysts with iodine (30), along with reversal of endometriosis and premenstrual syndrome. Iodine is necessary for normal ovarian function. Dr. Jonathan Wrights reports that iodine elevates the amount of anti-carcinogenic estriol made and lowers the amount of estrone and estradiol, so that the three forms of estrogen are more balanced in favor of cancer prevention. (31)  
In the process of treating fibrocystic breast disease Ghent and Eskin also found that the elemental iodine was also an effective treatment for endometriosis, ovarian cysts, and premenstrual syndrome (30). Iodine appears to normalize ovarian function and estrogen production to alleviate these female problems as well.
Prostate
Many glands in the body concentrate iodine from the blood. There is very little known about any connection between iodine deficiency and the prostate gland. Some researchers suspect a link similar to what is seen with breast health, and there is proof that the prostate gland expresses the sodium iodine symporter (4), albeit at a lower level, thus having a method of concentrating iodine. Iodine causes apoptosis of abnormal cells and functions as an antioxidant, both of which would favor better health of whatever organ takes up iodine.


Cardiovascular System
Iodine is critical to the heart and arterial system. Iodine (as well as omega 3 fats) is critical to the stabilization of the electrical pulses of the heart. Lack of iodine is related to arterial fibrillation. An iodine containing drug call amiodarone is used to prevent atrial and ventricle fibrillation and releases about 9 mg of iodine per day (32). It is a complex toxic dug and is stored in the fatty tissues of the body, but part of its mechanism of action appears to be the iodine that is being released slowly by the drug.

Bruce West is a chiropractic doctor who has found iodine to be very helpful in helping patients with arrhythmia problems. He says, “The body needs adequate stores of iodine for the heart to beat smoothly. After close to a year now of using Iodine Fulfillment Therapy I can attest to this fact. Most of the stubborn  cases of cardiac arrhythmia and atrial  fibrillation that we were unable to completely correct with our cardiac protocols have now been resolved with adequate supplies of iodine added to the protocol.” (33)

 The country of Finland is an excellent case study of cardiovascular disease and iodine, as reviewed by Stephen Calm (34). Endemic goiter was common in the early 1900's in people and in domestic animals, particularly in the eastern part of Finland away from the Sea, Studies in the 1950's revealed that the major dietary difference between eastern and western Finland was iodine. The risk of death from coronary heart disease was 3.5 times higher for people with a goiter in Finland. Iodized salt was introduced in 1963 for people and for animals, with over 90% of household salt now being iodized. Iodine intake on the population level is about 300 ug/day, the highest level in Europe (35). Much of their iodine comes from dairy products and hen eggs. Selenium was also added as a crop fertilizer because their soil selenium levels were very low. (Selenium has a unique synergistic interaction with iodine discussed more below.) People were also encouraged to eat less saturated fats and to stop smoking.
And the results of these population interventions with iodine and selenium? Goiter has virtually disappeared. Serum cholesterol levels and blood pressures have both dropped significantly and cardiovascular disease has declined more than 50% and life expectantly has increased by about 5 years (34). Other  countries have likewise reduced saturated fat intake, but not had this kind of national success in disease reduction. Though iodine and selenium haven't been given official credit for this success, it is likely that they are the unsung heroes of Finland. Iodine has an indirect effect via thyroid hormones, but it is likely to have a direct effect as well.
So, iodine stabilizes the heart rhythm., lowers serum cholesterol, lowers blood pressure, and is known to make the blood thinner as well, judging by longer clotting times seen by clinicians. Iodine is not only good for the cardiovascular system, it is vital.
Insulin Receptors                                                        
Iodine also has an impact on glucose metabolism. There have been no studies on this to date, only observations of clinicians who have patients taking high amounts of iodine. It appears that iodine increases the sensitivity of the insulin receptor, which improves glucose control. Lower amounts of insulin are needed to keep blood glucose levels in the normal range. Dr. Flechas has found that iodine can reduce the need for insulin in diabetic patients, using 50 to 100 mg of iodine per day. Of 12 patients, 6 were able to completely come off their medications with random glucose readings below 100 mg/dl and a HbA1c less than 5.8 (normal), and the other 6 were able to reduce the amount and/or number of medications needed to control their diabetes (36). More research should be done in this area to confirm and expand these results. In the same way that iodine modifies insulin receptors it is possible for iodine to modify other receptors as well. This is as yet an unexplored area of research.
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Bones
Iodine and fluoride are both halides, so they share some chemistry, but they have very opposing effects in the body. For example, iodine and fluoride are both taken up by bone tissue. Radioactive iodine scans show the full outline of the skeletal system. Fluoride  also goes to the bones, but makes bones brittle and susceptible to fractures (37) . It likely that natural iodine is what is supposed to be in our bones, not fluoride, for which  there is no known need in our body. Fluoride is toxic to bones as well as to the central nervous system, while iodine nourishes both. Very little research has been done in the area of iodine sufficiency and bone strength, but these ideas need to be evaluated clinically and in research studies.


Lungs

Iodine goes to sites of inflammation or infections, including pulmonary or bronchial expel, and also helps prevent bacteria from growing in infections. Dr. Jonathan Wright recommends using iodine for chronic obstructive pulmonary disease (COPD) (31), as  it helps loosen up secretions and makes them easier tpo expel, and also helps prevent bacteria from growing in the mucus secretions .


Immune System

Iodine also plays a role in the immune system. Many years ago it was noted that bacterial infections cause an increase in the metabolism of thyroxine (38,39). In particular, leukocytes use halogens such as chloride and iodide to help destroy bacteria that they engulf via phagocytosis. Chloride is used because it is available in abundance, but experiments have shown that leukocytes will use iodine just as well as thyroxine as a source of halogens for destroying engulfed bacteria (40), The mechanism requires three players.-a peroxidase enzyme, hydrogen peroxide, and iodide for destroying the bacteria with by-products of the oxidation of iodide and not just free iodine playing an important role. Leukocytes also use other means of destroying bacteria, but the halogens (chloride and iodide) are an important part of this process.
One application of this is that iodine needs will increase while a person is fighting a bacterial or viral infection. Elevated levels of diiodotyrosine, created from thyroxine by leukocytes as they phagocytose bacteria, were found in critically ill patients fighting sepsis and severe non-systemic infections (41), Having sufficient iodine present in the body to fight infections will improve a person's overall health and disease resistance.
What if that iodine is not supplied? Since chronic infections use up thyroxine faster than normal, is it possible that chronic bacterial or viral infections lead to a hypothyroid condition? Could a shortage of iodine be the connection between Epstein-Barr infections and other infections and chronic fatigue or fibromyalgia?

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Central Nervous System


Though sufficiency of iodine nutrition is taken for granted here in the USA, in many parts of the world iodine deficiency is still a top nutrition issue. In 2003 36.5 percent of the world's population had insufficient iodine intake, ranging from 10 percent in the Americas to 60 percent in Europe (42).
Infants in particular are vulnerable, especially in the womb, to iodine deficiency. The infant's brain requires iodine for proper development. There is a whole continuum of effects from mild mental retardation to gross neurological impairment (43). Even if the mother just has a hypothyroid condition the child can be adversely affected mentally. One study found that seven years later, mothers who had an untreated hypothyroid condition while pregnant gave birth to children that scored an average of 7 points lower  intelligence tests compared to a age -matched control group of children; 19% of the children had a score of 85 or less, compared to just 5% of the control group (44).  Another review of 18 studies comparing iodine-deficient children to iodine-sufficient children found an average drop in intelligence quotient of 13.5 points (45). In a small Italian study ADHD disorder was found to be more common in a moderately iodine deficient area (11/16 children) compared  with an iodine-sufficient area (0/11 children). (46)

A big effect of iodine deficiency is infant mortality. A study in an iodine-deficient area in China showed that adding iodine to the irrigation water (the people wanted to continue using their coarse salt and wouldn't use iodized salt) used for crops resulted in a 65%  drop in risk of neonatal mortality over a 3 year period, compared to a control city in the same  area (47). In an Indonesian study of 617 infants, survival was improved by 72$ by giving 6-10 week old infants iodized oil (48). There was also a delay in the average time to death in this study (48 vs. 17.5 days). Survival improvements were also seen in infant studies in the Congo and in Papua, New Guinea.
So, the result of lack of iodine in children is much more than goiter-intelligence and neonatal survival as the really important issues. This is very uncommon in the USA, but it is possible that the intelligence of children can be enhanced by having sufficient iodine in women before they become pregnant, followed by the iodine-sufficient mother nursing her infant with her breast milk, which would abundantly supply iodine.


Organs with Heavy Metal Accumulations

Heavy metals accumulate in various organs of the body. Now it appears that there is another weapon in our gallery. When Dr. Abraham was checking the bioavailability of Iodoral, a tableted iodine supplement, he found that some individuals had several-fold increased levels of mercury, lead and cadmium after taking Iodoral (12.5 mg iodide/iodine) for one day (49). Arsenic and aluminum were also reported to be detoxified with Iodoral (50), along  with the halides bromide and fluoride. Iodine can replace the other halides and cause them to be removed from the body. In fact, many of the symptoms that are reported when high doses of iodine are taken are actually from the detoxification of bromide. The use of a natural sea salt (1/4 teaspoon of salt taken 3 times, about 6 hours apart) will increase the renal clearance of bromide and reduce detoxification symptoms due to bromide.

Bromide is used as a pesticide, and now fluoride is also being used as a pesticide on crops. Bromide also makes into our diets as brominated vegetable oil in citrus flavored sodas like Mountain Dew. Bromide resides in the fatty tissue of the body, making it difficult to lose weight as well. Iodine has a very noticeable effect at removing bromide from the body. Iodine will replace bromide and allow the fat to be burned away normally.
In a pilot study  of 8 patients Dr. Brownstein found that bromide excretion increased by an average of 50% when patients took 50 mg/day of iodine as Iodoral (8). Dr. William Shevin, a medical and homeopathic doctor, has also seen benefits of iodine in  getting rid of the bromine burden of the body, assisted with the natural sea salt to enhance the removal of bromide by the kidneys (51).

Most Effective Forms of Iodine

There are basically three forms of iodine used for supplements-elemental or molecular iodine (12), ionic iodine, usually potassium iodide or ammonium iodide, and protein- bound iodide, such as Standard Process's Prolamine. These forms are all utilized by the body, although there is evidence that they are not exactly equivalent. Research by Dr's. Eskin and Ghent found that the I2 was the most beneficial form of iodine for fibrocystic breast disease (29,30), and that it had less affinity for the thyroid. They did research with protein-bound iodine as well and found that it did not work as well for fibrocystic breast disease as the molecular iodine.
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It is generally taught that molecular iodine is reduced to ionic iodide before it is absorbed from the gastrointestinal tract. However, a series of studies with rats compared the uptake  and distribution in the body of iodide (as Nal) and elemental iodine (I2). The researchers found that the thyroid much preferred the iodide form compared to I2 (52), that the iodine was distributed differently in the body, depending on the form used (53), and that I2 could alter T4 levels (54), presumably by reacting with metabolites of T4 in the GI tract, thus reforming T4 (55).  Eskin and coworkers (56) found that this was true in laboratory rats as well. Thyroid gland hyperplasia was reduced with I2, but eliminated with ‘I’, while mammary gland hyperplasia was decreased with I2 but increased with ‘I,’ and fibrosis of the breast was reduced with I2 but remained the same with ‘I’. Rats with chemically-induced breast cancer had 30 percent incidence of breast cancer when they were fed I2, compared to a 72% incidence of breast cancer in the control group, along  with fewer tumors and longer time until cancer developed. The rats fed T4 or ‘I’ did not differ  in incidence of breast cancer from the control group (57). So, different tissues of the body take up the I2 and ‘I’ differently and they are not exactly equivalent.
Elemental iodine is quite reactive and can disassociate in the GI tract and iodinate various proteins and lipids, unlike iodide that is taken up as a free ion into the bloodstream. For about 2 hours elemental iodine is detected in the serum, but only iodide is detected thereafter (49).
So, for supplementing iodine it appears that a mix of elemental iodine and iodide (as in Iodoral or Iosol) is called for to supply the thyroid and the rest of the body.


Optimal Amounts of Iodine

The RDA for iodine is 150 ug/day for non-pregnant adults, 220 ug/day during pregnancy, and 290 ug/day during lactation. The RDA for adults is based on the amount of iodine that the thyroid normally accumulates from day to day, and on the prevention of goiter in children. The tolerable upper intake level (an upper limit of intake that is very unlikely to harm anyone) is 1,100 ug/day. The tolerable upper intake level in Japan is provisionally set at 3000 ug/day, since they do not have sufficient data to determine the optimal iodine intake for the Japanese population (58). There have never been any studies  done on the optimal amounts of iodine needed for the whole body.
Drs. Ghent and Eskin, and others treated fibrocystic breast disease with 6 to 10 mg/day of iodine in order to reverse this condition. Other female disorders disappeared along with  he breast disease, too. From the research presented here it is clear that the role of iodine in the body goes far and beyond simply making thyroid hormones.
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Japanese Experience
                                                                                             
As a nation, Japan consumes more iodine than any other nation. The Japanese women have very low rates of breast cancer and fibrocystic breast disease and are one of the healthiest nations in the world. There are many factors that contribute to this record, but it is quite possible that their tradition of using seaweed is one of them.
Also, national surveys of food intake in Japan, show that seaweed intake has been around 4.5 gram dry weight from 1950 to 1963, with a intake of 14 grams in 2001 (59). Exact intake of iodine from this source isn't known. But, with a reported average concentration of 0.3% iodine, these seaweed intakes imply that Japanese iodine intakes are between 6 and 20 mg and higher for some people. Balance surveys such as these are not known for giving accurate measurements of individual intakes of nutrients. Direct measurements of iodine excretion are more reliable.

 Various studies have shown average urinary iodine excretion to range from 740 ug/day, with a very wide range of total excretion, from 90 ug/day to 19 ug/day (60). A recent study  of thyroid volume and iodine excretion in Japanese children aged 6-12 years showed they had the smallest thyroid volumes in the world compared to other iodine sufficient areas (58). In this study the mean urinary excretion was 282 ug/‘I’, with 16% of the children excreting more than I,000 ug/‘I’. This  “high” level of intake did not have a negative effect on thyroid volume. 
These iodine excretion studies show that while some Japanese are consuming lots of seaweed many others are not, with a very wide range of variation. Usual intake of the population is in the milligram range, but the average is not likely to be above 10 mg/day, or perhaps not even above 5 mg/day, Some seaweeds, like Nori and Wakame, contain very little iodine, while others like kelp and Kombu, have very high levels of iodine. So, iodine intake depends on the exact mix of seaweeds consumed from day to day.


Gerson's Protocol
Dr. Max Gerson' s therapy for cancer included the use of Lugol’s solution, initially for the purpose of stimulating the metabolism and then because “iodine seemed to counteract the neoplastic effect of hormones” (61). Large amounts were given for the first 34 weeks of the therapy (56 mg/day), with smaller maintenance doses (9 mg/day) thereafter (62). In the conditions of the therapy Dr. Gerson did not experience negative complications from these “high” doses, possibly because the detoxification pathways are very strongly supported with the Gerson Therapy.


Too Much Iodine?

There have been reports of too much iodine being harmful, most of which could be  undone by using less iodine. These reports include intakes above 500 ug/day in 6-12 year old  children in coastal Hokkaido (63), between  50 and 90 mg/day in Peace Corps workers using iodine-resin water filters (64), 32 mg/day from tetrablycine hydrpperiodide water purification tablets (65), 27 mg/day  for 4 weeks in 10 normal male volunteers (66), and elevated intakes of iodine in three counties of Jiangsu Province, China (median urine iodine level 1,053 ug/L) due to high levels of iodine in both shallow and deep water wells (67). Thirty-three Japanese men and women with hypothyroidism stopped taking any iodine-containing food or medications for a few months. The median TSH level went from 21.9 mU/I (range 5.4-285 mU/I) to 5.3 mU/l (range, 0.9-52.3 mU/I) in the group. Twenty-one patients showed a more than 50% reduction in TSH just from eliminating iodine. Eleven of them became euthyroid (68). These studies indicate that there are cases where high intakes of iodine have caused harm, usually reversed by reducing the iodine intake. It is possible that proper nutritional support (high antioxidant intake, especially selenium) was not given to accompany this high iodine intake in these cases. Another possibility is that high levels of bromine caused thyroid complications. Some safety testing and clinical observations have been done with high levels of iodine (36, 69,70), but not enough to satisfy all of the critics.


Selenium-Iodine Connection
Another factor in how much iodine can be safely used depends on other possible mineral deficiencies. Selenium is very important for thyroid function. Selenium is part of the antioxidant enzyme glutathione peroxidase. Glutathione peroxidase in the thyroid helps quench free-radicals produced by the enzyme thyroid peroxidase (which functions to organify iodide as it enters the thyroid). If high levels of iodide are present in the thyroid without sufficient amounts of glutathione peroxidase it causes free-radical damage to the thyroid, leading to autoimmune thyroid disease. Several of the enzymes that convert T4 into T3 also require selenium. Studies in Zaire have found that supplementing selenium and iodine deficient children with just selenium had adverse effects on thyroid function (71,72). Likewise, supplementing iodine when there is a concurrent selenium supplementation could lead to elevated levels of hydrogen peroxide within the thyroid, perhaps causing autoimmune disorders of the thyroid as well. It is not clear that the international studies of high. Intakes of iodine such as those conducted in China and Japan were done in populations with sufficient selenium status. Indeed, high levels of iodide intake in the USA or in central Hokkaido did not have the same negative impact that these same levels of intake did in coastal Hokkaido (63). So, it is important that other mineral interactions also be taken into account when looking at iodine supplementation. A person with superior nutrient intake will be much more likely to respond well to higher intakes of iodine.


The Optimal Amount
So, what is the optimal amount of iodine? There really isn't a simple one-size-fits-all sort of recommendation for iodine. While milligram amounts of iodine are healthy, a few people cannot tolerate those levels. For a generally healthy person following the Biblical Diet or similar diet an intake of 1-3 mg of iodine per day is quite likely to be safe and effective without complications. Children would take less, based on body size. The provisional tolerable upper limit in Japan for iodine is 3 mg per day, though many people in Japan consume more than that. If a person is allergic to iodized salt, then they should avoid taking iodine supplements as well, until they get their allergy cleared.
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More than 3 mg/day can be taken safely by many people, but it is wise to work up slowly to higher doses, unless a person is under the direct supervision of a knowledgeable health   practitioner who can monitor thyroid function. The optimal amount of iodine may well vary from person to person, and it may well be more than 3 mg/day. However, it is wise to begin slowly and monitor your progress if you increase your iodine intake.

What about people with health conditions associated with the action of iodine? People with cancer, (especially of the esophagus, stomach, breast, ovaries, endometrium, or prostate), women with fibrocystic breast disease or ovarian cysts, people with diabetes, cardiovascular disease, or chronic obstructive pulmonary disease, and people with thyroid disorders (hypothyroid, hyperthyroid, and autoimmune disorders) all would achieve better health with more iodine. Someone with any of these conditions may want to consider undergoing the iodine loading test with FFP Laboratories (877-900-5556) before beginning high dose iodine. Having thyroid function tests checked by a health care professional is also recommended while taking more than 10 mg of iodine per day.


Iodine Loading Test

The iodine loading test was designed to measure the body's saturation with iodine. Initially the loading test was used to measure the bioavailability of Iodoral, a tableted form of Lugol's solution. However, when people showed such high retention of iodine (unlike what is seen at microgram intakes) the usefulness of the test quickly became apparent. In the iodine loading test a person takes 50 mg of iodine as Iodoral. A 24-hour urinary sample is taken to see how much is retained by the body. If less than 90% is excreted (more than 10% retained) Dr. Abraham says this is indicative of an iodine deficient state. The 90% level was chosen because it correlated with feelings of well being in volunteers who reached that level of saturation. If a very low amount (<15%) is excreted then Dr. Flechas says that the presence of cancer is suspect. After a period of  about 3 months using 12-50 mg of iodine/iodide a repeat iodine load usually shows a much improved state of iodine balance with much more excreted than retained (49).


Thyroid TSH Test

When going to get thyroid tests, beware that the thyroid stimulating hormone, or TSH, test is not really the “gold-standard” that doctors have declared it to be. Just because TSH is normal doesn't mean that your body has optimal amounts of thyroid hormone in all organs and tissues. Dr. David Derry states that the TSH test has little clinical value for determining whether a person has an abnormal thyroid hormone condition or not. He says, in an interview with Mary Shomon (17), “the pituitary cells, which have TSH in them, are the most sensitive cells in the body circulating thyroid hormone. Therefore when one tests hypothyroidism by following the TSH and trying to make it normal the pituitary glands are happy, but the rest of the body is short changed by a considerable amount”.  In other words, when TSH is normal, this only means that the pituitary gland has the right amount of hormone for its needs. The rest of the body may not have enough, and clinical experience indicates that this is so. A recent review pointed out that during iodine deficiency, there can be normal, elevated, or low levels of T3, the active form of thyroid hormone, in different tissues of the body (73). So, a hypothyroid condition can exist in some organs while having ‘normal’ TSH measurement.
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Sources of Iodine  
                                                
We have examined most available forms of iodine supplements since the fall of 2005. There are two main sources that we can recommend to you. Both of these are a mix of iodine and iodide to supply all parts of the body with the form of iodine best suited for each part.
Lugol's Solution has been clinically used since Dr. Lugol made it in 1829. It is a solution of potassium iodide (KI) and molecular iodine (12). Lugol's solution is also useful as a stain for microscopy work, and is sold for this purpose, but not as dietary supplement.
Iodoral is a tableted version of Lugol's solution. Lugol's solution is absorbed onto a colloidal silica excipient and tableted, then coated with a thin layer of pharmaceutical glaze. Each tablet contains 12.5 mg of total iodine, 5 mg of 12 and 7.5 mg iodide as KI. Each tablet is scored so that it can be easily broken in half if desired. A 50-mg tablet is now available as well for those doing high levels of iodine supplementation. Some people will find the tablet form of iodine more convenient than a liquid supplement.
Iosol is a 4% solution of ammonium iodide and iodine in glycerin. Each drop contains 1.83 mg of iodine, about 0.8 mg as iodide in ammonium iodide and 1.0 mg as iodine (12). The drops can be diluted in water, of which a portion can be taken for even lower doses. The doctors who developed Iosol in the 1940’s were looking for a form of iodine that had fewer allergic reactions compared to potassium iodide. Their claim is that ammonium iodide is more “available” as free iodide ion compared to potassium iodide, in which they claim the potassium and iodide ion bind more tightly together. Some people have been able to tolerate Iosol more easily than Lugol's solution or Iodoral. However, it has been difficult to determine which of these supplements really works better.

Sea vegetation concentrates iodine from the ocean water. As mentioned above, some species contain relatively high levels Kelp, Kombu) while others have very little (Nori, Wakame). The iodine in sea vegetation is all iodide, so it may not work as well as molecular iodine for some organs in the body. Nevertheless, it is a natural, whole-foods source of iodide, so it comes with many other minerals and nutrients present in whole foods. Contamination with heavy metals can be a serious problem with sea vegetation. Recently, 8 of  9 herbal kelp supplements from a health food store were found to have excessive levels of arsenic in them (74). For this reason, and because only iodide is present, this is not a preferred source of this mineral.

These are the three main sources of iodine available, though there are others. Personal preference and convenience may be the determining factor for which one you want to use for yourself. The bottom line is that we need more iodine than the microgram amounts occurring in our foods now and we need to find safe ways to incorporate more iodine into our diets.

References : Please look them up on Hallelujah Acres web page, as there are so many.
We carry both types of iodine/iodide, but predominantly use the liquid form, as we have seen better results. See the PRODUCT page for more info.
Read the GENESIS Disclaimer.
Disclaimer: I, (Teresa Biggins) am not a Medical Doctor, and cannot prescribe, cure or diagnose. 
     Many of these articles have not been written by me. They have been copied , usually word for word from Web sites, periodicals, books and fliers with full credits given. 
      ALL information on any page not intended for prescribing, diagnosing, or curing  any ailment you may have. These articles may not be misconstrued as medical advise or  instruction. Readers who fail to consult with with appropriate health professionals assume the risk of any injury.
Teresa Biggins ND                    Text847-736-3030          teresabiggins@gmail.com
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