Calcium arsenate | Ca3(AsO4)2 - PubChem
2020-10-2 · Yes. Calcium supplements — or antacids containing calcium — can interfere with the absorption of thyroid hormone replacement medications, such as synthetic thyroid hormones levothyroxine (Synthroid, Unithroid, others) and liothyronine (Cytomel), as well as thyroid extract supplements. This interference happens chiefly if you take thyroid ...
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