Quantum Peptide Group

Aggregated across every sample the Institute purchased anonymously and sent for independent laboratory analysis.

This company is ranked in every compound the Institute has tested it for.

• #1 Liraglutide of 4 companies · 1 sample 97.6% average purity across 1 sample
• #1 Exenatide of 2 companies · 1 sample 98.5% average purity across 1 sample
• #2 PT-141 of 5 companies · 1 sample 96.8% average purity across 1 sample
• #2 Pemvidutide of 3 companies · 1 sample 97.7% average purity across 1 sample
• #3 TB-500 of 6 companies · 1 sample 97.4% average purity across 1 sample
• #4 BPC-157 of 12 companies · 2 samples 97.9% average purity across 2 samples
• #5 Tirzepatide of 13 companies · 2 samples 98.1% average purity across 2 samples
• #6 Semaglutide of 13 companies · 2 samples 96.9% average purity across 2 samples

Score Breakdown

Six weighted dimensions, methodology Methodology v3.0. How weights work →

Score History

Historical Index Score™ snapshots. Scores are versioned and never overwritten.

Editorial Assessment

Operationally this is one of the stronger companies in the index, orders ship quickly, inventory is reliable and the catalogue is broad. Documentation practices have not kept pace with that operational maturity, which is the main constraint on its score rather than any testing problem.

Shipping & fulfillment

Same-day dispatch on most catalogue items. Multiple warehouse locations.

Policies & returns

Standard returns policy; replacements issued readily for transit damage.

Testing record

12 independent tests, 12 verified.