Photograph your supplement shelf.
Know what's dangerous to mix.
Research shows most adults on 5+ supplements have at least one clinically relevant interaction. Doctors don't ask about supplements. StackSafe scans your shelf, flags conflicts, and tells you the optimal time to take each one.
Informational tool. Always consult a clinician before changing what you take.
Takes about 10 seconds. No signup required.
- Zinc Picolinate30 mg
- Coffee (daily)2 cups
- Ashwagandha KSM-66600 mg
Zinc × Coffee
DangerCoffee consumed within 1 hour of zinc blocks up to 50% of zinc absorption.
Tannins and polyphenols chelate zinc. Separate by 2+ hours for full absorption.
Examples of what StackSafe catches
Zinc + Coffee
Coffee within 1 hour of zinc blocks up to 50% of absorption. Most stacks miss this.
Ashwagandha + SSRIs
Serotonergic stacking risk. Rarely flagged by pharmacists because ashwagandha is a supplement.
Magnesium + Calcium
Compete for the same transporter. Split doses, or lose half of each.
St. John's Wort + Birth Control
Well-documented CYP3A4 induction — can reduce contraceptive efficacy.
How it works
- Snap a photo of your supplement shelf.
- AI identifies each bottle, dose, and active ingredient.
- Get flagged conflicts, timing recommendations, and a doctor-friendly PDF.
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