callalilly2
Joined: 09/02/10
Posts: 30
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Thyroid & Soy
Posted Sunday, September 18, 2011 at 11:52 PM
Does anyone have any information on the relationship between underactive thyroid and soy. I have heard that you have to be careful about how much soy you eat.
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Bugsmom
Joined: 09/13/10
Posts: 2087
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 8:50 AM
callalilly2 wrote: Does anyone have any information on the relationship between underactive thyroid and soy. I have heard that you have to be careful about how much soy you eat. I just avoid soy as much as possible - no tofu, tempeh, soy milk, edamame and as little of the processed added stuff (like soy lecithin) as I can manage - getting less all the time as I find alternate brands and options. I'm hypothyroid (and on medication for it) but the reason I avoid soy is that it mucks about with my hormones - PMS like stuff after just 3 days of using soy milk on my cereal was enough to say "don't go there!" The really good thing is that being vegan doesn't require that you eat soy at all these days. Used to be that was pretty much the only option but now there are lots of non-soy-based vegan alternatives (seitan which is wheat based, black bean patties, etc) --Deb R
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mollyhorn
Joined: 03/03/10
Location: Fort Worth, TX
Posts: 582
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 10:08 AM
Here's the deal with soy, both fermented and unfermented: Not all soyfoods are equal. Tofu is not the same thing as hydrolyzed soy protein. Soy is a phytoestrogen, which is NOT unhealthy. It is health-promoting, not health-degrading. Phytoestrogens are not the same thing as estrogen. I have a thyroid disorder and have spoken at length with my endocrinologist about soy, as well as having read several books about this subject. My doctor and all the books agree that "as long as you don't inject soy directly into your thyroid, you are fine to consume it in normal amounts." Soy is a goitrogenic food, meaning that in someone who has untreated hypothyroidism, soy can increase the symptoms of goiter. BUT, so can several hundred other foods that we eat every single day, at every meal. Here's a referenced article, if you'd like to read about it. http://whfoods.org/genpage.php?tname=george&dbid=250
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DianeJ
Joined: 01/01/10
Posts: 134
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 1:17 PM
Molly's info is good. It is very important to understand the difference between soy isolate, which is basically a lousy by-product, and the purer forms of soy, like tofu and tempeh. Certainly, some may do better avoiding soy altogether. But I feel very strongly that we not give the impression that soy is not healthy. The "great soy scare" happened a few years back and has been greatly debunked. There is no estrogen in soy like the estrogen our bodies produce. The phytoestrogens are compounds that are actually advantageous and act against estrogen. Soybeans are beans..... full of plant protein, healthy fats and phytochemicals and research continues to lean in the direction that it can help reduce cholesterol,and lower cancer risk.
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DianeJ
Joined: 01/01/10
Posts: 134
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 1:17 PM
Molly's info is good. It is very important to understand the difference between soy isolate, which is basically a lousy by-product, and the purer forms of soy, like tofu and tempeh. Certainly, some may do better avoiding soy altogether. But I feel very strongly that we not give the impression that soy is not healthy. The "great soy scare" happened a few years back and has been greatly debunked. There is no estrogen in soy like the estrogen our bodies produce. The phytoestrogens are compounds that are actually advantageous and act against estrogen. Soybeans are beans..... full of plant protein, healthy fats and phytochemicals and research continues to lean in the direction that it can help reduce cholesterol,and lower cancer risk.
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DianeJ
Joined: 01/01/10
Posts: 134
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 1:20 PM
Sorry for double post 
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Bugsmom
Joined: 09/13/10
Posts: 2087
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RE: Thyroid & Soy
Posted Monday, September 19, 2011 at 3:29 PM
DianeJ wrote: Molly's info is good. It is very important to understand the difference between soy isolate, which is basically a lousy by-product, and the purer forms of soy, like tofu and tempeh. Certainly, some may do better avoiding soy altogether. But I feel very strongly that we not give the impression that soy is not healthy. The "great soy scare" happened a few years back and has been greatly debunked. There is no estrogen in soy like the estrogen our bodies produce. The phytoestrogens are compounds that are actually advantageous and act against estrogen. Soybeans are beans..... full of plant protein, healthy fats and phytochemicals and research continues to lean in the direction that it can help reduce cholesterol,and lower cancer risk. yup, soy is a wonderful food for those who don't react to it (my minor issue with it, a friend's anaphylactic reaction to it). It would make things a lot easier if we could just get tofu mayo, tofu yogurt, tofu cheeses, etc. --Deb R
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