Thymosin-Alpha 1 (A1) is currently listed by 21 tracked shops, all of which have third-party lab tests on file. Prices range from $25.00 to $129.97 per vial, with a median of $7.60 per mg. Vial sizes range from 5mg to 12.22mg. Last updated 28 July 2026.
| Shop | Size | Price | $/mg ↓ | Checked |
|---|---|---|---|---|
| bulkpeptidesupplyThird-party lab tests on file | 10mg | $25.00 | $2.50/mg | 2h ago |
| Humatide PeptidesThird-party lab tests on file | 10mg | $40.00 | $4.00/mg | 3h ago |
| badgercompounds.comThird-party lab tests on file | 10mg | $44.99 | $4.50/mg | 3h ago |
| valorpeptides.comThird-party lab tests on file | 10mg | $54.99 | $5.50/mg | 3h ago |
| aminosresearch.comThird-party lab tests on file | 12.22mg | $75.00 | $6.14/mg | 3h ago |
| ezpeps.comThird-party lab tests on file | 10mg | $63.99 | $6.40/mg | 3h ago |
| felixchem.isThird-party lab tests on file | 10mg | $64.99 | $6.50/mg | 4h ago |
| polarispeptides.comThird-party lab tests on file | 10mg | $65.00 | $6.50/mg | 2h ago |
| peptidecrafters.comThird-party lab tests on file | 10mg | $65.00 | $6.50/mg | 2h ago |
| libertypeptides.comThird-party lab tests on file | 10mg | $68.00 | $6.80/mg | 2h ago |
| happypeptides.comThird-party lab tests on file | 10mg | $76.00 | $7.60/mg | 4h ago |
| skyepeptides.comThird-party lab tests on file | 10mg | $79.00 | $7.90/mg | 4h ago |
| verifiedpeptides.comThird-party lab tests on file | 10mg | $80.00 | $8.00/mg | 2h ago |
| aminoquestlabs.comThird-party lab tests on file | 10mg | $85.00 | $8.50/mg | 3h ago |
| simplepeptide.comThird-party lab tests on file | 10mg | $86.00 | $8.60/mg | 2h ago |
| aiopeptides.comThird-party lab tests on file | 5mg | $44.00 | $8.80/mg | 1h ago |
| OROS ResearchThird-party lab tests on file | 5mg | $44.99 | $9.00/mg | 4h ago |
| protidehealth.comThird-party lab tests on file | 10mg | $105.00 | $10.50/mg | 3h ago |
| aminousa.comThird-party lab tests on file | 5mg | $60.00 | $12.00/mg | 3h ago |
| licensedpeptides.comThird-party lab tests on file | 5mg | $61.99 | $12.40/mg | 1h ago |
| biolongevitylabs.comThird-party lab tests on file | 10mg | $129.97 | $13.00/mg | 2h ago |
Read the Thymosin-Alpha 1 (A1) guide
Lab-test data, purity averages and what the evidence actually shows.