drug supplement interaction
8 interactions related to drug supplement interaction
levothyroxine + magnesium
Magnesium can reduce levothyroxine absorption
levothyroxinemagnesiumabsorptionabsorption interactiondrug supplement interactionsupplement timingmedication timingTSHthyroid medicationantacids
warfarin + fish oil
Fish oil may increase bleeding risk when combined with warfarin
warfarinfish oilomega-3warfarin interactionINR monitoringbleeding risk supplementsblood thinner safetydrug supplement interactionCoumadin
blood thinner + vitamin e
High-dose vitamin E may increase bleeding risk with blood thinners
blood thinnervitamin ewarfarinCoumadinINR monitoringdrug supplement interactionbleeding risk supplementsanticoagulant safetyblood thinner safety
curcumin + piperine
Piperine (black pepper extract) increases curcumin bioavailability by up to 2000%
curcuminpiperineabsorptionabsorption interactionnutrient synergysupplement interactionsupplement timingdrug supplement interaction
antibiotics + calcium
Calcium can bind to certain antibiotics and reduce their absorption
antibioticscalciumabsorptionabsorption interactiondrug nutrient interactiondrug supplement interactionsupplement timingciprofloxacindoxycycline
St. John's Wort + SSRI
St. John's Wort induces cytochrome P450 enzymes and P-glycoprotein, reducing plasma concentrations of SSRIs and increasing the risk of serotonin syndrome when combined due to additive serotonergic effects.
st. john's wortssridrug interactiondrug supplement interactionsupplement interactionsupplement interactionsmedication timingabsorption
metformin + vitamin b12
Long-term metformin use depletes vitamin B12 levels
metforminvitamin b12absorptionabsorption interactiondrug nutrient interactiondrug supplement interactionsupplement interactionsupplement timingantacids
antibiotics + probiotics
Antibiotics kill probiotic bacteria, reducing their effectiveness
antibioticsprobioticssupplement timingdrug supplement interactionabsorptionmedication timingciprofloxacindoxycycline