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Medical Forum / General / Nutrition / December 2004Dietary intake of iodine
A recent health newsletter has been extolling the virtues of generous consumption of iodine, even as much as 5 to 10 milligrams daily. It states that iodine consumption in Japan averages approximately 14 milligrams daily (probably from all that seaweed and seafood). The japanese don't seem to be suffering from thyroid problems as a result of this. The FDA RDA for iodine is about one seventh of a milligram (150 micrograms). I recall recently reading a message on some ng claiming that a half milligram would slow the thyroid and a full milligram would shut it down completely. Who is right? Are the japanese walking around with totally suppressed thyroids? Anybody have any ideas on this? The japanese have thyroid problems because of their iodine intake, I read about it a while ago. There are cases where they had to tell people to stop using all that seaweed because of hypo. Too much iodine stops the thyroid from working. Dr. Ridha Arem writes in his book that he advised NASA to not use iosine to clean water as that makes the subjects hypo. Also, we know that iodie triggers autoimmunity in many people. I am one of them. After all, it is called Hashimoto's. I guess that many other people are not affected by iodine and that they can eat a lot of seaweed and iodine without problems. nora > A recent health newsletter has been extolling the virtues of generous > consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 8 lines] > around with totally suppressed thyroids? > Anybody have any ideas on this? I have a question on this -- I think I've always had a semi-sluggish thyroid (body temp about 96F, cold hands and feet, BP hovering around 90/60, etc.), but my last blood test showed my TSH went from 5.1 to 8.0 in 3 mos. time. For the past year I was unknowingly taking in about 3,000 mcg. of iodine (excessive use of Lite Salt). My naturopath sent me 2 supplements for the thyroid BOTH which contain iodine, kelp, and bladderwrack. I refuse to use them because I am 90% certain the 3,000 mcg. is what has made my TSH shoot up. Are there any good supplements avail online that has raw thyroid w/o iodine or kelp???????????????? I'm looking for a reputable endo in Denver,CO -- but a bit apprehensive. I've read online that just taking Synthroid can back fire and slow down the thyroid real bad since it doesn't have T3 in it -- is that true? This what my recent blood test looked like: TSH 8 T4 6.5 T3 uptake 32 Free Thyroxine 2.1 Thanks Much, dorothy > > A recent health newsletter has been extolling the virtues of generous > > consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 8 lines] > > around with totally suppressed thyroids? > > Anybody have any ideas on this? > I've read online that just taking Synthroid can back > fire and slow down the thyroid real bad since it doesn't have T3 in it > -- is that true? I don't know exactly what you mean, but I did fine on Synthroid for over 10 years. Then I had a TT for cancer. I'm now on Levoxyl only & doing fine; obviously, I have no thyroid at all anymore. The only times I've ever taken any T3 was when I was having a withdrawal scan, & the T3 was only temporary as the T4 dwindled out of my body. bj > A recent health newsletter has been extolling the virtues of generous > consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 3 lines] > of this. > Anybody have any ideas on this? I have plenty of ideas on this and wrote a lot about this in smn several years ago. The US diet is low in iodine because in the US fast food restaurants and food manufacturers are *NOT* required to use salt that contains iodine. You only get iodine from salt that you add to your food. As I never add salt to my foods, I now supplement with a tiny amount of iodine (ie,kelp). The Japanese diet is very high in soy. Soy naturally is toxic to the tyroid. The high level iodine naturally protects against the high level of soy in the Japanese diet. Hence, it is a balancing act. Too much iodine is just as bad as not enough iodine, if not worst! -- John Gohde http://gnu-dictionary.naturalhealthperspective.com/ > The US diet is low in iodine because in the US fast food restaurants > and food manufacturers are *NOT* required to use salt that contains > iodine. You only get iodine from salt that you add to your food. As > I never add salt to my foods, I now supplement with a tiny amount of > iodine (ie,kelp). You can get iodine from other sources, as any look at the list of foods-to-avoid on a low iodine diet will show. Some of the biggies aside from fish & other sea products: Dairy products (milk, cheese, cream, yogurt, butter, ice cream, powdered dairy creamers, other dairy products). (and nondairy creamers often have iodine-containing ingredients, too) egg yolks or food containing whole eggs red dye #3 (erythrosine) certain food additives: carrageen, agar-agar, algin, alginate, nori (these are food additives that are seaweed by-products). baked products that used iodine/ iodate dough conditioners potato skins rubarb I don't eat much fast food. I don't use iodized salt at home. When I had a non-LID urine iodide test, the results were normal. I don't have a thyroid so don't have to worry about getting "enough" iodine, but I get plenty anyway, except for the weeks I'm on LID before scans. bj > > A recent health newsletter has been extolling the virtues of generous > > consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 18 lines] > > Too much iodine is just as bad as not enough iodine, if not worst! Good information. I find your "balancing act" concept interesting. If one were consuming an "anti-thyroid" food like broccoli in quantity and didn't want to quit it, could one "balance things out" by taking extra amounts of iodine supplementation? How do these "anti-thyroid" foods do their dirty work anyway. Do they simply block absorption of iodine by the intestine or by the thyroid gland? Do they block conversion of T4 to T3? By the way, how much iodine do you consider too much (in milligrams please)? Thanks again. Incidently, the latest issue of the aforementioned newsletter is recommending at least 13 milligrams daily as a maintenance dose. Sounds massive to me. So whats the ideal daily dosage? > Good information. I find your "balancing act" concept interesting. If > one were consuming an "anti-thyroid" food like broccoli in quantity [quoted text clipped - 7 lines] > recommending at least 13 milligrams daily as a maintenance dose. > Sounds massive to me. So whats the ideal daily dosage? I became interested in this subject when I started suffering from an anti-thyroid diet that basically developed into hypothyroidism. My first response, to the thought that I was iodine deficient was that it was impossible to be deficient in the US. Long after I had cured myself of hypothyroidism I came across the information that that simply is not the case. Unlike most of the developed world, the food industry in the US is not required to use salt that contains iodine. One would add iodine, or extra iodine, to their diet only when they start suffering from an anti-thyroid diet. There actually is published research that shows that consuming a high iodine diet is an antidote to a high anti-thyroid diet in certain parts of the world. Taking iodine, however, is *only* one small part of the treatment plan. First step, is to terminate the anti-thyroid diet 100%. One would take extra iodine only when they continue to consume an anti-thyroid diet. An anti-thyroid diet shuts down your thyroid. To jump start your thyroid, you would take 500mg of L-tyrosine first thing in the morning on an empty stomach. Also some, vitamin A, zinc, and of course a tiny amount of iodine later on in the day. If this didn't work for some people, I don't care. It worked for me. I would say that the L-tyrosine was more important than the iodine was. And, I am talking about taking L-tyrosine daily for a very long, long, long time. I got excellent results with taking only 150 mcg of iodine. I see no reason to take larger amounts, unless you are eating a lot of soy. Once you have experienced thyroid problems, it is better to stop the anti-thyroid diet, then to take extra iodine. -- john gohde http://gnu-dictionary.naturalhealthperspective.com/ > First step, is to terminate the anti-thyroid diet 100%. One would > take extra iodine only when they continue to consume an anti-thyroid > diet. > > First step, is to terminate the anti-thyroid diet 100%. One would > > take extra iodine only when they continue to consume an anti-thyroid > > diet. What's an anti-thyroid diet? It is pretty much self explanatory. An anti-thyroid diet are foods that have been implicated in diet-induced goiter by many studies. The two biggies would be the Brassica family of vegetables and soy isoflavones . Brassica vegetables covers a very broad area and would include seemly innocent foods like coleslaw. Search on these keywords: antithyroid anti-thyroid goitrogenic goitrogenesis -- john gohde http://gnu-dictionary.naturalhealthperspective.com/ > > > First step, is to terminate the anti-thyroid diet 100%. One would > > > take extra iodine only when they continue to consume an anti-thyroid [quoted text clipped - 16 lines] > goitrogenic > goitrogenesis To simply eliminate all anti-thyroid foods and supplements from the diet might not be desirable since unfortunately they are otherwise the healthiest dietary items on the planet, protecting against cancer,heart disease,etc. Foods like the above-mentioned brassica and soy but tomatos and other foods as well. Otherwise extremely healthy supplements such as quercetin, lycopene and the sulfur containing antioxidant compounds are suspect. If one is at high risk for cancer for instance,one doesn't,cannot eliminate them but has to develop a strategy of counteracting their anti-thyroid activity. So taking it as a given that one will not discontinue an anti-thyroid diet and supplement regimen, what is the best strategy? My thoughts at this point include the following possibilities: Tyrosine supplementation as you recommend; supplementation with iodine from say kelp(what dosages?);supplementation with Armour thyroid. Please,all, let me know what you think of these strategies and thanks for your illuminating comments thusfar. > > > > First step, is to terminate the anti-thyroid diet 100%. One would > > > > take extra iodine only when they continue to consume an anti-thyroid [quoted text clipped - 16 lines] > > goitrogenic > > goitrogenesis > To simply eliminate all anti-thyroid foods and supplements from the > diet might not be desirable since unfortunately they are otherwise the > healthiest dietary items on the planet, protecting against > cancer,heart disease,etc. Ha, ... Hah, Ha! This thread is precisely why posting anything in a newsgroup is Stupid, ... Stupid, Stupid! :( Nobody, certainly not me, stated or even suggested that! "An anti-thyroid diet are foods that have been implicated in diet-induced goiter by many studies." Seem rather self-explanatory to me. :) Anybody, including you, who decides for example to eat mostly a raws foods diet that consists almost entirely of the Brassica family of vegetables is likely to end up with thyroid problems. Exceptions would be genetically lucky people and those consuming large amounts of iodine. -- john gohde http://gnu-dictionary.naturalhealthperspective.com/ I found a great free recourse site to help people manage their weight loss and live a healthy lifestyle. I used a few of their tips and lost a ton of weight. Hope this helps you also :) Visit http://www.manageweightloss.com for more information > A recent health newsletter has been extolling the virtues of generous > consumption of iodine, even as much as 5 to 10 milligrams daily. It > states that iodine consumption in Japan averages approximately 14 > milligrams daily (probably from all that seaweed and seafood). The > japanese don't seem to be suffering from thyroid problems as a result > of this. I've read the contrary on several websites, mostly norwegian: that in japan they have an overweight of people with goitiers, because of all the seafood.  SignatureLine Halvorsen > > A recent health newsletter has been extolling the virtues of generous > > consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 6 lines] > japan they have an overweight of people with goitiers, because of all > the seafood. Thanks folks,for all this good information, but what are specific recommendations as to the ideal daily iodine consumption, assuming that one is not consuming significant amounts of soy? In milligrams please. Additional iodine is not necessary in most people's diets. Our salt is already iodized, a healthy diet including seafood will already have enough iodine. The intake of too much iodine can cause thyroid disease. please visit www.thyroidmanager.org and search Hashimoto's thyroiditis. It is Dr. Hashimoto that discovered the disease and it's prevalence in the local indigenous people of Japan and made the connection with high iodine intake. Don't believe every bit of hype you read. Research the subject. |A recent health newsletter has been extolling the virtues of generous | consumption of iodine, even as much as 5 to 10 milligrams daily. It [quoted text clipped - 8 lines] | around with totally suppressed thyroids? | Anybody have any ideas on this? I think i would be careful too in taking supplements of iodine. Please, read more here: http://search.drweil.com/search?site=my_collection&client=my_collection&proxysty lesheet=my_collection&output=xml_no_dtd&q=thyroid Vivian ------------------------- http://www.soundclick.com/bands/5/vivien.htm Songs: On Healing http://www.soundclick.com/util/streamM3U.m3u?ID=1722174&q=Lo The Ear - this one is of the very important role of nutrition: http://www.soundclick.com/util/streamM3U.m3u?ID=1749324&q=Lo The Good Time - this one is about rest, getting goot time, habits... http://www.soundclick.com/util/streamM3U.m3u?ID=1678300&q=Lo > Additional iodine is not necessary in most people's diets. Our salt is > already iodized, a healthy diet including seafood will already have enough [quoted text clipped - 17 lines] > | around with totally suppressed thyroids? > | Anybody have any ideas on this? |
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