The most comprehensive open-access drug-interaction reference ever built. 342+ substances · five risk tiers · receptor-level pharmacology · CYP pathways · DOI-linked primary citations. Free, forever.
Six core surfaces, each one mechanistically grounded and traceable to primary literature.
Five tiers, ranging from Safe to Lethal. Every score is traceable to a mechanism and a primary reference. The rubric below is the public version of our editorial criteria.