A laboratory bench for the curious.

The peptide world is moving faster than the information landscape can keep up with. Forums, podcasts, and Twitter threads are doing the work that a careful, well-organized reference should. We're trying to be that reference — outcome-first, transparent about evidence, and useful to a smart person who is not a clinician.

Every peptide entry has one or more outcome links, each with a 0-100 strength score and a one-line rationale. Strengths are a synthesis of human trial data (when available), animal data, mechanism plausibility, and consistent anecdotal reporting. We deliberately show the rationale, not just the number, so you can audit our reasoning.

Build my stack ranks peptides against the outcomes you select, applies your constraints, and surfaces the shortlist. We never recommend doses, never recommend sources for compounds we wouldn't want a friend to use, and never blur the line between education and prescription.

We earn a referral fee when you purchase through an affiliate link. Affiliate status never changes a peptide's score or rationale. Compounds we list without an affiliate partner are listed because they matter, not because they pay.