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DrugPair safety guide

Supplement and drug interaction checker

Check vitamins, minerals, and herbal supplements for interactions with prescription and OTC medicines.

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Supplements like fish oil, magnesium, St. John's Wort, and calcium can interact with common medicines in unexpected ways.

DrugPair includes a dedicated supplements tab so you can check your full routine — medicines and supplements together.

Supplement interaction data is educational only. Discuss all supplements with your doctor or pharmacist.

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DrugPair provides educational safety information only and is not a substitute for professional medical advice. Always ask a doctor or pharmacist before changing medicines, supplements, food, drinks, or prescription timing.