TB-500 × utherpeptide.com — Lab Test, October 2025
COA #81228 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
N1DP42ES1GVDTest 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 11.35 mg
114% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg using the measured mass, against 2.5 mg on the label — 14% 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 | #81228 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 24 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Janoshik Labs's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of TB-500 from ezpeps.com, performed by Janoshik Labs on October 3, 2025. Reported purity: 99.82%. Net content: 11.35 mg against 10 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Batch TB4100918. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from ezpeps.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 26-M5-10TB / BT10050126-1 | 9 Jun 2026 | ILS Laboratories | 99.81% | 107% | ✓ Lab-verified |
| 26-U2-RRT/TB4100226 | 15 Mar 2026 | freedomdiagnosticstesting.com | 99.174% | 116% | ✓ 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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