Independent side-by-side comparison of Heman Peptide HM and Peptide Gurus — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Peptide Gurus has more published third-party tests (63 vs 4).
Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.
Heman Peptide HM: 4 independent Janoshik assays, across 4 substances, median measured purity 99.5%, most recent 2025-11-13. Peptide Gurus: 63 independent Janoshik assays, across 58 substances, median measured purity 99.7%, most recent 2026-04-24.
| Attribute | Heman Peptide HM | Peptide Gurus |
|---|---|---|
| Independent lab grade | D | D |
| Third-party tests | 4 tests, avg purity 99.5% | 63 tests, avg purity 99.5% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Heman Peptide HM | Peptide Gurus |
|---|---|---|
| Tesamorelin 10mg | 99.04% (1 assay, latest 2025-11-13) | 99.74% (1 assay, latest 2026-04-14) |
| Retatrutide 10mg | 99.36% (1 assay, latest 2025-08-12) | 99.51% (3 assays, latest 2026-04-14) |
| Tirzepatide 30mg | 99.95% (1 assay, latest 2025-08-12) | 99.84% (3 assays, latest 2026-04-14) |
| Tirzepatide 10mg | Not tested | 99.79% (2 assays, latest 2026-04-14) |
| Tb-500 10mg | 99.73% (1 assay, latest 2025-08-12) | Not tested |
| Ss-31 40mg | Not tested | 99.73% (1 assay, latest 2026-04-24) |
| Wolverine(bpc-157 5mg Blend With Tb-500 5mg) | Not tested | purity not reported (1 assay, latest 2026-04-23) |
| Wolverine(bpc-157 10mg Blend With Tb-500 10mg) | Not tested | purity not reported (1 assay, latest 2026-04-23) |
| Pinealon 20mg | Not tested | 99.17% (1 assay, latest 2026-04-14) |
| Oxytocin 10mg | Not tested | 97.53% (1 assay, latest 2026-04-14) |
| Hcg 10,000 IU | Not tested | purity not reported (1 assay, latest 2026-04-14) |
| Pt-141 10mg | Not tested | 99.90% (1 assay, latest 2026-04-14) |
Peptide Gurus. Heman Peptide HM: 4 independent Janoshik assays, across 4 substances, median measured purity 99.5%, most recent 2025-11-13. Peptide Gurus: 63 independent Janoshik assays, across 58 substances, median measured purity 99.7%, most recent 2026-04-24. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Tesamorelin 10mg has been independently assayed for both. Heman Peptide HM measured a median 99.04% across 1 assay; Peptide Gurus measured 99.74% across 1. Purity reflects the lots actually tested, not every batch either vendor sells.
Full profiles: Heman Peptide HM, Peptide Gurus.
Full lab-test records: All 4 Heman Peptide HM lab tests, All 63 Peptide Gurus lab tests.
Related comparisons: Heman Peptide HM vs Felix Health, Peptide Gurus vs Amino Asylum, Peptide Gurus vs LimitlessBioChem, Peptide Gurus vs Maximum Peps, Peptide Gurus vs Panda Peptides, Peptide Gurus vs Peptide-S.