<unk> s by mouth diminish the absorption of thyroxine when taken within four to six hours of each other. Thus, people taking both<unk>  and thyroxine run the risk of inadequate thyroid hormone replacement and thence hypothyroidism if they take them simultaneously or near-simultaneously.
Calcium supplement
Phosphate supplement
Protein supplement
Bodybuilding supplement
Soft diet
Phosphate binder
Iron supplement
Low-fat diet