Independent side-by-side comparison of TeaHRT and YH Peptide — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: TeaHRT has more published third-party tests (4 vs 3).
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.
TeaHRT: 4 independent Janoshik assays, across 4 substances, most recent 2025-01-24. YH Peptide: 3 independent Janoshik assays, across 3 substances, median measured purity 99.8%, most recent 2026-03-26.
| Attribute | TeaHRT | YH Peptide |
|---|---|---|
| Third-party tests | 4 tests | 3 tests, avg purity 99.7% |
| COA available | Yes | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | TeaHRT | YH Peptide |
|---|---|---|
| Estradiol Enanthate, Purple Top Vial | purity not reported (1 assay, latest 2025-01-24) | Not tested |
| Estradiol Cypionate,pink Top Vial | purity not reported (1 assay, latest 2025-01-24) | Not tested |
| Estradiol Purple Top | purity not reported (1 assay, latest 2024-05-25) | Not tested |
| Estradiol Blue Top | purity not reported (1 assay, latest 2024-05-25) | Not tested |
| Ghk-cu 50mg(CU50) | Not tested | 99.53% (1 assay, latest 2026-03-26) |
| Retatrutide 30mg(RT30) | Not tested | 99.81% (1 assay, latest 2026-02-19) |
| Tirzepatide 60mg(TR60) | Not tested | 99.90% (1 assay, latest 2026-02-19) |
TeaHRT. TeaHRT: 4 independent Janoshik assays, across 4 substances, most recent 2025-01-24. YH Peptide: 3 independent Janoshik assays, across 3 substances, median measured purity 99.8%, most recent 2026-03-26. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Full profiles: TeaHRT, YH Peptide.
Full lab-test records: All 4 TeaHRT lab tests, All 3 YH Peptide lab tests.
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