Peptide Rankings
Every peptide we track, scored 0–100 and banded A+ to F — because the question isn't just "does the molecule work?", it's can you actually buy a verified version worth running? We grade the decision to buy across four axes: Evidence, Sourcing & COA, Safety, and Practicality.
The full PepScore™ leaderboard
All 56 graded compounds, ranked. Sort by overall PepScore or any single axis; filter by band or category. Each row opens the full axis breakdown and its best-sourced verified vendor. 0 more are in active grading below.
No graded compounds in this category yet.
The four axes, the weights, and why a B can beat an A on the axis that matters to you.
Which vendors publish real, independent accredited-lab certificates — and which recycle them.
Vetted vendors and the best-sourced match for each compound. Affiliate links disclosed.
Educational use only — not medical advice.PepScore grades reflect published evidence, sourcing transparency, safety record, and practicality of obtaining a verified version. They are not dosing guidance, a treatment recommendation, or an endorsement of any use. Many compounds listed are sold for research purposes only. Consult a licensed healthcare provider before using any compound. See our methodologyand disclosures.