calcium
5 interactions related to calcium
levothyroxine + calcium
Calcium significantly reduces levothyroxine absorption
levothyroxinecalciumabsorptionabsorption interactionsupplement timingthyroid medicationhypothyroidismTSHantacidscalcium supplements
calcium + iron
Calcium inhibits iron absorption by up to 60%
calciumironabsorptionabsorption interactioniron absorptionsupplement timingcalcium supplementferrous sulfateprenatal vitamins
antibiotics + calcium
Calcium can bind to certain antibiotics and reduce their absorption
antibioticscalciumabsorptionabsorption interactiondrug nutrient interactiondrug supplement interactionsupplement timingciprofloxacindoxycycline
calcium + zinc
High-dose calcium (>600mg) can reduce zinc absorption
calciumzincsupplement interactionmineral absorptioncalcium zinc timingzinc absorptionbone health supplementsdrug nutrient interactioncalcium supplementzinc supplement
vitamin d + vitamin k2
Vitamin K2 helps direct calcium (mobilized by vitamin D) into bones, not arteries
vitamin dvitamin Kbone healthcalciumcalcium metabolismfat-soluble vitaminssupplement interactionvitamin d absorptionwarfarinINR monitoring