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Food & Medication Interaction Checker

Certain foods can make your medication less effective — or even dangerous. Enter your drug name to find out exactly what to eat and what to avoid.

Why Food Interactions Matter

Some foods and drinks change how your body absorbs or processes medication — grapefruit can intensify certain drugs to dangerous levels, dairy can block absorption of some antibiotics, and vitamin K-rich vegetables can interfere with blood thinners. Knowing which foods affect your specific medication helps you avoid reduced effectiveness or unexpected side effects.

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Enter your medication
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Submit your request
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Get food list

⚕️ Always check with your pharmacist if you're changing your diet while on medication.

Food Interaction Guide

⚠️ This is general guidance. Consult your pharmacist or doctor for personalized dietary advice with your medications.

Common Questions About Food & Medication

Why is grapefruit singled out so often?

Grapefruit blocks an enzyme your gut uses to break down many medications, which can cause far more of the drug to enter your bloodstream than intended — sometimes to dangerous levels.

How long should I wait between eating and taking medication?

It depends on the drug — some need to be taken with food to avoid stomach upset, others need an empty stomach for proper absorption. Check your medication's specific instructions.

Do supplements count as a food interaction risk?

Yes — common supplements like calcium, iron, and St. John's Wort can interfere with absorption or effectiveness of many medications just as certain foods can.