GHK-Cu × Rivn Research Peptides — lab test, April 2026
Freedom Diagnostics publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone. Enter that code below and click Look up . The Search Code is always the first 4 characters of your company name followed by your accession number.
This certificate carries no lookup code.
Test results
Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 70 mg · Lab measured 62.82 mg
90% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 15.7 mg using the measured mass, against 17.5 mg on the label — 10% less.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of GHK-Cu/BPC-157/Thymosin Beta-4 from Rivn Research Peptides, performed by Freedom Diagnostics on April 5, 2026. Reported purity: 99.841%. Net content: 62.82 mg against 70 mg labeled (90% of label). Tested content is 10% below the labeled amount. Batch 3321. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Rivn Research Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 4299 | 5 Apr 2026 | Freedom Diagnostics | 99.857% | 108% | Unverified |
| 7197 | 5 Apr 2026 | Freedom Diagnostics | 99.908% | 92% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion