TB-500 × polarispeptides.com — lab test, February 2026
COA SPL-2951 matches Trust Pointe Analytics's public record. So this test doesn't rest on our review alone — the lab confirms it too.
E66NDWXQNJTKTest 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 12.28 mg
123% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.1 mg using the measured mass, against 2.5 mg on the label — 23% 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 | SPL-2951 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 4 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Trust Pointe Analytics's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of TB-500 from polarispeptides.com, performed by Trust Pointe Analytics on February 4, 2026. Reported purity: 99.31%. Net content: 12.28 mg against 10 mg labeled (123% of label). Tested content exceeds the labeled amount by 23%. Batch POL-TB10-5. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from polarispeptides.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| POL-TB10-6 | 10 Apr 2026 | Trust Pointe Analytics | 99.07% | 126% | ✓ Lab-verified |
| POL-TB10-5 | 4 Feb 2026 | Trust Pointe Analytics | 99.381% | 122% | Unverified |
| POL-TB10-4 | 7 Jun 2025 | Trust Pointe Analytics | 99.485% | 118% | Unverified |
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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