Independent side-by-side comparison of Symphony Labs and Tydes Research — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Symphony Labs has more published third-party tests (18 vs 5).
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.
Symphony Labs: 18 independent Janoshik assays, across 7 substances, most recent 2026-04-02. Tydes Research: 5 independent Janoshik assays, across 5 substances, median measured purity 99.8%, most recent 2025-09-23.
| Attribute | Symphony Labs | Tydes Research |
|---|---|---|
| Third-party tests | 18 tests | 5 tests, avg purity 99.7% |
| COA available | Yes | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Symphony Labs | Tydes Research |
|---|---|---|
| Estradiol Enanthate 40mg/mL | purity not reported (9 assays, latest 2026-03-31) | Not tested |
| 40mg/mL Estradiol Enanthate | purity not reported (3 assays, latest 2026-04-02) | Not tested |
| Estradiol Undecylate 80mg/mL | purity not reported (2 assays, latest 2026-03-31) | Not tested |
| 80mg/mL Estradiol Undecylate | purity not reported (1 assay, latest 2026-04-01) | Not tested |
| 2 | purity not reported (1 assay, latest 2026-03-31) | Not tested |
| Estradiol Valerate 40mg/mL | purity not reported (1 assay, latest 2026-01-13) | Not tested |
| Estradiol Enanthate | purity not reported (1 assay, latest 2025-10-08) | Not tested |
| Epithalon | Not tested | purity not reported (1 assay, latest 2025-09-23) |
| DSIP 5mg | Not tested | 99.87% (1 assay, latest 2025-09-02) |
| BPC 5 Mg | Not tested | 99.84% (1 assay, latest 2025-07-29) |
| Cagrilintide 10mg | Not tested | 99.46% (1 assay, latest 2025-06-29) |
| CJC 1295 No Dac / Ipamorelin 5/5 | Not tested | purity not reported (1 assay, latest 2024-06-28) |
Symphony Labs. Symphony Labs: 18 independent Janoshik assays, across 7 substances, most recent 2026-04-02. Tydes Research: 5 independent Janoshik assays, across 5 substances, median measured purity 99.8%, most recent 2025-09-23. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Full profiles: Symphony Labs, Tydes Research.
Full lab-test records: All 18 Symphony Labs lab tests, All 5 Tydes Research lab tests.
Related comparisons: Tydes Research vs Panda Peptides.