prenatal vitamins
2 interactions related to prenatal vitamins
calcium + iron
Calcium inhibits iron absorption by up to 60%
calciumironabsorptionabsorption interactioniron absorptionsupplement timingcalcium supplementferrous sulfateprenatal vitamins
iron + zinc
Iron and zinc compete for absorption when taken together in high doses
ironzincabsorptionabsorption interactioniron absorptionzinc absorptionsupplement timingferrous sulfateprenatal vitaminsZMA supplements