TB-500 × genpeptide.com — lab test, March 2026
COA 2603060023 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Genp2603060023Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 10 mg · Lab measured 11.6 mg
116% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.9 mg using the measured mass, against 2.5 mg on the label — 16% 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 | 2603060023 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 30 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | freedomdiagnosticstesting.com's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of TB-500 from genpeptide.com, performed by freedomdiagnosticstesting.com on March 6, 2026. Reported purity: 99.538%. Net content: 11.6 mg against 10 mg labeled (116% of label). Tested content exceeds the labeled amount by 16%. Batch GPTB10030526. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from genpeptide.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GPTB10070726 | 17 Jul 2026 | Kovera Labs | 99.186% | 118% | ✓ Lab-verified |
| GPTB10050926 | 16 May 2026 | freedomdiagnosticstesting.com | 99.77% | 127% | ✓ Lab-verified |
| GPTB10122825 | 8 Jan 2026 | freedomdiagnosticstesting.com | 98.878% | 110% | ✓ Lab-verified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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