The Peptide Index™: August 2026 rankings update
Apex Peptides holds the top position; Cascade Research Group drops 17 points after failed verification; BioRegen enters the top five.
RankingsFast-growing supplier with top-tier recent test results and developing service infrastructure.
Seven weighted dimensions, methodology v2.3. How weights work →
Historical Index Score™ snapshots. Scores are versioned and never overwritten.
BioRegen Research posted the single highest purity result in our 2026 testing cycle (99.2% on TB-500) and has climbed steadily in our rankings. As a newer company, its support and policy infrastructure is still maturing — response times were inconsistent in our anonymous service tests.
Apex Peptides holds the top position; Cascade Research Group drops 17 points after failed verification; BioRegen enters the top five.
Rankings