TB-500 × astra peptides — lab test, December 2025
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Test 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 5 mg · Lab measured 5.78 mg
116% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.4 mg using the measured mass, against 1.3 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.
Independent HPLC purity analysis of TB-500 from astra peptides, performed by Horizon Analytical on December 22, 2025. Reported purity: 99.2%. Net content: 5.78 mg against 5 mg labeled (116% of label). Tested content exceeds the labeled amount by 16%. Batch ASTR-42273. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from astra peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| ASTR-62982 | 26 Jan 2026 | Horizon Analytical | 99.67% | 102% | Unverified |
| ASTR-37472 | 12 Jan 2026 | Horizon Analytical | 99.57% | 102% | Unverified |
| ASTR-33874 | 10 Nov 2025 | Horizon Analytical | 99.87% | 102% | 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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