Independent side-by-side comparison of Inno Peptides and Peptide Sciences — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Peptide Sciences holds the stronger independent lab grade (ungraded vs C); Inno Peptides has more published third-party tests (14 vs 0); Peptide Sciences carries more community reviews (1247).
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.
Inno Peptides: 14 independent Janoshik assays, across 14 substances, median measured purity 99.6%, most recent 2026-01-22. Peptide Sciences has no independent Janoshik assays on file.
| Attribute | Inno Peptides | Peptide Sciences |
|---|---|---|
| Independent lab grade | Not graded | C |
| Third-party tests | 14 tests, avg purity 98.9% | None published |
| Community rating | No reviews | 4.7/5 (1247 reviews) |
| COA available | No | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Year established | Unknown | 1990 |
| Substance | Inno Peptides | Peptide Sciences |
|---|---|---|
| Retatrutide 20mg | 99.82% (1 assay, latest 2026-01-22) | Not tested |
| Retatrutide 10mg | 99.63% (1 assay, latest 2026-01-22) | Not tested |
| Bpc157 5mg | 99.72% (1 assay, latest 2026-01-02) | Not tested |
| Mots-c 40mg | 99.85% (1 assay, latest 2025-12-31) | Not tested |
| Mots-c 10mg | 99.72% (1 assay, latest 2025-12-31) | Not tested |
| Tb500 10mg | 99.54% (1 assay, latest 2025-12-31) | Not tested |
| Tb500 5mg | 99.62% (1 assay, latest 2025-12-31) | Not tested |
| Tirzepatide 100mg | 99.90% (1 assay, latest 2025-12-31) | Not tested |
| Tirzepatide 60mg | 99.95% (1 assay, latest 2025-12-31) | Not tested |
| Survodutide 10mg | 99.45% (1 assay, latest 2025-09-01) | Not tested |
| Ace-031 1mg | 99.24% (1 assay, latest 2025-09-01) | Not tested |
| HGH 15iu | 92.10% (1 assay, latest 2025-09-01) | Not tested |
| Checked | Inno Peptides | Peptide Sciences |
|---|---|---|
| Certificates of analysis | None found on the site | Not stated |
| Products listed | 6 | Not stated |
| Payment methods | Cryptocurrency, Bank Transfer, Credit Card, PayPal | Not stated |
| Ships to | United States, Europe, Worldwide | Not stated |
| Carriers | DHL, FedEx, UPS | Not stated |
| Research-use-only notice | Published | Not stated |
| Stated origin | Hong Kong | Not stated |
Inno Peptides. Inno Peptides: 14 independent Janoshik assays, across 14 substances, median measured purity 99.6%, most recent 2026-01-22. Peptide Sciences has no independent Janoshik assays on file. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Inno Peptides' site, and Peptide Sciences states that COAs are available. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Inno Peptides states it ships to United States, Europe, Worldwide, and Peptide Sciences does not state one. Both are read from the vendors' own sites.
Full profiles: Inno Peptides, Peptide Sciences.
Full lab-test records: All 14 Inno Peptides lab tests.
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