The Peptide Index™
6 companies evaluated using 7 samples the Institute purchased anonymously and sent for independent laboratory analysis. Ranked by Index Score™.
Ranked #1 of 6
Research-compound supplier with published third-party COAs and consistent independent testing performance.
| Rank | Company | Index Score™ | Purity & Testing | Product Accuracy | Transparency | Fulfillment | Customer Experience | Value | Samples |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Apex Peptides Exceptional | 91 | 99 | 90 | 90 | 89 | 84 | 81 | 1 |
| 2 | Halcyon Biosciences Excellent | 89 | 99 | 86 | 90 | 87 | 86 | 78 | 1 |
| 3 | Quantum Peptide Group Excellent | 89 | 98 | 86 | 85 | 94 | 85 | 77 | 1 |
| 4 | BioRegen Research Excellent | 87 | 99 | 89 | 82 | 85 | 78 | 76 | 1 |
| 5 | Helix Research Supply Good | 79 | 87 | 73 | 68 | 84 | 82 | 78 | 1 |
| 6 | Sterling Compound Co. Good | 74 | 91 | 67 | 66 | 76 | 62 | 68 | 2 |
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 TB-500 purchased from it.
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