<unk>  forms complexes with a number of pharmaceutical drugs, reducing their bioavailability; among them are tetracyclines, quinolone antibiotics, levothyroxine, and bisphosphonates, as well as iron, magnesium and zinc supplements. Vitamin D in usual doses has no relevant interactions.
Calcium/cholecalciferol
Alendronic acid/colecalciferol
Strontium ranelate
Cholecalciferol
Ergocalciferol
Calcium carbonate
Calamine
Folate