Re: thyroid and soy
Re: thyroid and soy
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Posted by Tina
on August 12, 2000 at 02:54:25:
In Reply to: thyroid and soy posted by harley on August 11, 2000 at 22:32:52:
: i have been reading that taking soy can cause hypothryoid. i know it is still under scrunity but i am still wondering. i want to take revival, i think all of you know what that is, it is a soy shake with 160 mgs of soy. it is good for perimenopause symptoms. i am also perimenopausal, i have been diagnosed with hypothyroid and i havent taken any soy products yet. i am not on med yet either so i am wondering if it will interfere with the hypothyroid or if they think it will cause hypothyroid. does anyone know? thank you for any help.
This is from Mary Shomon's newletter "sticking our necks out" this month
"BE VERY CAREFUL ABOUT REVIVAL SOY, PROMENSIL & OTHER ISOFLAVONE- HEAVY
Major marketing efforts are targeting doctors and consumers with the soy
"shake" known as Revival Soy, which delivers in one serving six times
the amount of isoflavones you would find in a typical serving size of a
soy food. There are serious concerns about this concentrated level of
isoflavones, in terms of its ability to trigger thyroid problems. We
know that soy has some positive benefits, but what do even the most
ardent soy supporters say about the intensive concentration of
isoflavones in Revival? Clare M. Hasler, Ph.D. University of Illinois at
Urbana-Champaign's Strat-Soy program, runs the typically very pro-soy
"Soy and Human Health" answer board and has written about Revival...
"The company is clearly exploiting all of the interest in the purported
health benefits of a particular class of compounds in the soybean called
"isoflavones." My issue with their literature is the statement that, "We
recommend at least 150 mg of total plant estrogens per day...to ensure
real health benefits." Read the entire quote at the StratSoy site.
Regarding Promensil, a recent announcement was made of a study presented
at the Spring 2000 Endocrine Society meeting, suggesting that the
over-the-counter dietary supplement called Promensil can help in
preventing osteoporosis. Promensil, manufactured by Novogen, Ltd., is a
natural dietary supplement made from plant estrogens (isoflavones)
extracted from red clover. Some experts, however, believe that the
concentrated isoflavones in Promensil will negatively impact thyroid
health in the same way that isoflavones from soy foods and supplements
can increase the risk of thyroid problems, as well as aggravate
pre-existing thyroid problems. In Australia, where Novogen is based, the
company has been under attack for allegedly misleading advertising.
(See: http://www.soyonlineservice.co.nz/bull.htm ) Interestingly, the
study presented by the Endocrine Society was itself funded by Novogen,
the manufacturer of the product studied."
Hope that gives you some more information on which to base your decision.
I have noticed that I feel worse even when using packaged food, margines, oils, ect. with soy in it that I feel worse. But perhaps it's just phycological??? Hard to tell for sure.
Best of luck, Tina ....P.S. if you do try it will you let me know how it goes?