P21 prices
5 offers from 5 vendors, ranked by cost per mg after shipping. Prices updated 2026-11-03.
Cheapest from the US
No vendor lists a US price for this product yet.
Cheapest from China
5 mg × 10 vials
Cost per mg$6.66/mg
Total with shipping$333.00
- Price
- $288.00
- Shipping
- $45.00
- Price as of
- 2026-10-30
Every P21 offer
| Vendor | Dose | Vials | Ships from | Price | Shipping | Total with shipping | Cost per mg | Price as of | Source |
|---|---|---|---|---|---|---|---|---|---|
| JKL Peptides | 5 mg | 10 vials | China | $288.00From a sale post | $45.00 | $333.00 | $6.66/mg | 2026-10-30 | Forum post |
| Shanghai ERP Biotechnology (ERP) | 5 mg | 10 vials | China | $287.00 | $50.00 | $337.00 | $6.74/mg | 2026-10-22 | Forum post |
| WLH Peptides | 5 mg | 10 vials | China | $290.00 | $50.00 | $340.00 | $6.80/mg | 2026-06-15 | Forum post |
| HNYH Peptide | 5 mg | 10 vials | China | $290.00 | $50.00 | $340.00 | $6.80/mg | 2026-05-13 | Forum post |
| Shanghai Wibson Biotechnology (WBS) | 5 mg | 10 vials | China | $285.00 | $58.00 | $343.00 | $6.86/mg | 2026-11-03 | Forum post |
Prices older than 60 days are dimmed and marked “Older price”. Offers with no shipping fee on record list “Shipping: ask vendor” and rank after the rest.