Goitrogens

[Geetal]

ncbi.nlm.nih.gov/books/NBK2...

This is the first time Ive seen a concise table not only listing goitrogen groupings(rather than extensive lists of specific foods) as well as the reasons they are goitrogens.

Table 5Dietary Goitrogens

GoitrogenMechanism

Foods

Cassava, lima beans, linseed, sorghum, sweet potatoContain cyanogenic glucosides; they are metabolized to thiocyanates that compete with iodine for thyroidal uptake

Cruciferous vegetables: cabbage, kale, cauliflower, broccoli, turnips, rapeseedContains glucosinolates; metabolites compete with iodine for thyroidal uptake

Soy, milletFlavonoids impair thyroid peroxidase activity

Nutrients

Selenium deficiencyAccumulated peroxides may damage the thyroid, and deiodinase deficiency impairs thyroid hormone synthesis

Iron deficiencyReduces heme-dependent thyroperoxidase activity in the thyroid and may blunt the efficacy of iodine prophylaxis

Vitamin A deficiencyIncreases TSH stimulation and goiter through decreased vitamin A-mediated suppression of the pituitary TSHβ gene

From: The Iodine Deficiency Disorders

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Sorry about the formatting.

[G2G2]

Thanks for posting.