TB-500 × Offline Peptides — lab test, February 2026
COA 2602150130 matches Freedom Diagnostics's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Offl2602150130Test results
Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 10 mg · Lab measured 12.69 mg
127% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.2 mg using the measured mass, against 2.5 mg on the label — 27% more.
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.
| Report number | 2602150130 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 13 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Freedom Diagnostics's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of TB-500 from Offline Peptides, performed by Freedom Diagnostics on February 17, 2026. Reported purity: 99.69%. Net content: 12.69 mg against 10 mg labeled (127% of label). Tested content exceeds the labeled amount by 27%. Batch OP-BT10-0226. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from Offline Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| OP-BT10-0826 | 22 Aug 2026 | Freedom Diagnostics | 99.15% | 104% | Unverified |
| OP-BT5-0426 | 23 Apr 2026 | Freedom Diagnostics | 99.31% | 119% | ✓ Lab-verified |
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