The Peptide Index™

Best Orforglipron companies

4 companies evaluated using 6 samples the Institute purchased anonymously and sent for independent laboratory analysis. Ranked by Index Score™.

Updated 6 samples tested How we rank →
Institute
Top Rated Orforglipron

Ranked #1 of 4

Verity Research Chemicals

Publishes batch-specific certificates of analysis and names its manufacturing partners, the documentation posture we most often find correlates with test performance.

  • 98.3% average purity across 1 sample
  • 98.8% average content accuracy vs. label
  • Most recent sample tested Jan 2, 2026
View full profile Read the lab report
90 Exceptional 90–100

Full Orforglipron rankings

Scoring methodology →
Rank Company Index Score™ Purity & TestingProduct AccuracyTransparencyFulfillmentCustomer ExperienceValue Samples
1 Verity Research Chemicals Exceptional 90 989092818580 1
2 Meridian Health Direct Excellent 89 979093859067 2
3 Cardinal Metabolic Clinic Excellent 87 988488788975 2
4 Vector Peptide Supply Good 70 896652746866 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 Orforglipron purchased from it.

Orforglipron researchEvidence, mechanism, dosage research and studies Testing databaseEvery published lab report, with full methodology All rankingsOverall and category leaders across the Index

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