StackShield

Medication & supplement interaction checker

List everything you take — prescriptions, over-the-counter medicines, vitamins, and supplements. StackShield checks its current curated interaction rules, with extra attention to kidney and heart risks.

How limited interaction screening works

StackShield compares the items you list with its current curated interaction rules and surfaces matched pairs.

Coverage is limited. A clear screen does not confirm a combination is safe; review your full list with a pharmacist or prescriber.

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Privacy: submitted lists are processed in memory by StackShield and are not written to its access logs.