Flaxseed, soy and low thyroid

From the American Thyroid Assn (an association of professional
endocrinologists).

http://www.thyroid.org/patients/ct/volume4/issue6/ct_patients_v46_12_13.html

“This is the first study to show that dietary supplementation with very high
doses of soy phytoestrogen (at levels typical of a vegetarian diet), may
result in a 3-fold increase in the risk of progression from subclinical to
overt hypothyroidism, suggesting that vegetarian patients with mild
subclinical hypothyroidism may need more careful . . . → Read More: Flaxseed, soy and low thyroid