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dlmtv said:Was told to avoid taking food/drink that contains calcium with my thyroid meds. Don't see this mentioned by Peat or on this site. Do I really need to wait 2hrs to eat?
cliff said:I don't think it's really an issue in my experience.
My brother posted this on ray peat facebook group
"only affected 20% of patients taking large doses of calcium carbonate.
"Subjects were instructed to take 1200 mg/d of elemental calcium as calcium carbonate" " The in vitro study of T4 binding to calcium showed that adsorption of T4 to calcium carbonate occurs at acidic pH levels."
http://jama.jamanetwork.com/article.asp ... eid=192748
Calcium carbonate isn't even in milk.
"Milk calcium exists in bound and ionized forms. Bound calcium is associated both with casein micelles and complexed to citrate and phosphate."http://www.ncbi.nlm.nih.gov/pubmed/6302145"