drug nutrient interaction
3 interactions related to drug nutrient interaction
antibiotics + calcium
Calcium can bind to certain antibiotics (tetracyclines and fluoroquinolones) in the gut and reduce how much of the drug is absorbed.
antibioticscalciumabsorptionabsorption interactiondrug nutrient interactiondrug supplement interactionsupplement timingciprofloxacindoxycycline
calcium + zinc
A large calcium dose may modestly reduce zinc absorption in some conditions, but human evidence is mixed and the effect is not clinically dangerous.
calciumzincsupplement interactionmineral absorptioncalcium zinc timingzinc absorptionbone health supplementsdrug nutrient interactioncalcium supplementzinc supplement
metformin + vitamin b12
Long-term metformin use can reduce vitamin B12 absorption, sometimes enough to cause deficiency.
metforminvitamin b12absorptionabsorption interactiondrug nutrient interactiondrug supplement interactionsupplement interactionsupplement timingantacids