Prostamax is currently in stock at 11 shops, all of which have third-party lab tests on file. Prices range from $54.99 to $79.97 per vial, with a median of $3.00 per mg. Vial sizes range from 20mg to 25mg. Last updated 11 September 2026.
21 shops are known to sell Prostamax — 14 with a live listing, 7 evidenced by a lab test in the last year. 14 listings are identified, of which 11 can be compared per milligram.
| Shop | Size | Price | $/mg ↓ | Checked |
|---|---|---|---|---|
| peptidecrafters.comThird-party lab tests on file | 25mg | $55.00 | $2.20/mg | 19h ago |
| verifiedpeptides.comThird-party lab tests on file | 20mg | $55.00 | $2.75/mg | 19h ago |
| libertypeptides.comThird-party lab tests on file | 20mg | $55.00 | $2.75/mg | 19h ago |
| vandl-labs.comThird-party lab tests on file | 20mg | $54.99 | $2.75/mg | 19h ago |
| purapeptides.comThird-party lab tests on file | 20mg | $55.00 | $2.75/mg | 19h ago |
| swisschems.isThird-party lab tests on file | 20mg | $59.95 | $3.00/mg | 19h ago |
| americanpeptides.usThird-party lab tests on file | 20mg | $60.00 | $3.00/mg | 18h ago |
| corepeptides.comThird-party lab tests on file | 20mg | $63.00 | $3.15/mg | 19h ago |
| aiopeptides.comThird-party lab tests on file | 20mg | $72.00 | $3.60/mg | 19h ago |
| buyironpeptides.comThird-party lab tests on file | 20mg | $79.00 | $3.95/mg | 18h ago |
| biolongevitylabs.comThird-party lab tests on file | 20mg | $79.97 | $4.00/mg | 19h ago |
| modernaminosThird-party lab tests on fileOut of stock | 20mg | $54.00 | $2.70/mg | 19h ago |
Out-of-stock rows are excluded from the lowest, the median and the shop count
Read the Prostamax guide
Lab-test data, purity averages and what the evidence actually shows.