The Peptide Index™

Best Liraglutide companies

4 companies evaluated using 4 samples the Institute purchased anonymously and sent for independent laboratory analysis. Ranked by Index Score™.

Updated 4 samples tested How we rank →
Institute
Top Rated
Liraglutide

Ranked #1 of 4

Quantum Peptide Group

A high-volume supplier with broad catalogue coverage and consistent fulfillment, though documentation lags its operational strength.

  • 97.6% average purity across 1 sample
  • 99.5% average content accuracy vs. label
  • Most recent sample tested Mar 5, 2026
89 Excellent 80–89

Full Liraglutide rankings

Scoring methodology →
Rank Company Index Score™ Purity & TestingProduct AccuracyTransparencyFulfillmentCustomer ExperienceValue Samples
1 Quantum Peptide Group Excellent 89 988685948577 1
2 Cardinal Metabolic Clinic Excellent 87 988488788975 1
3 NextGen Peptides Excellent 85 918080908684 1
4 Helix Research Supply Good 79 877368848278 1

Scores combine six weighted dimensions: Purity & Testing (25%), Product Accuracy (20%), Transparency (20%), Fulfillment (15%), Customer Experience (10%), Value (10%). A company appears here only if the Institute has independently tested Liraglutide purchased from it.

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