Where to buy P21
Live P21 offers captured from the research vendors we actively track, ranked by price per mg. Ordering is independent of any affiliate relationship — see how we rank. For evidence, dosing and community reports, see the full P21 page.
Cheapest
$0.36/mg
Average
$12.29/mg
Vendors
32
Live offers
32
| # | Vendor | Product | Size | Price | Per mg | Ships from | Stock |
|---|---|---|---|---|---|---|---|
| 1 | Bulk Peptide Supply | P21 (P021) 10 mg (10 vials) | 100mg×10 kit | $36.00 | $0.36/mg | unknown | In stock |
| 2 | Top Peptide | P21 50mg | 50mg | $65.99 | $1.32/mg | — | In stock |
| 3 | Elite Aminos LLC | P21 30MG - Elite Aminos | 30mg | $55.00 | $1.83/mg | — | In stock |
| 4 | Purerxpeptides | Amazing P21 30MG - PureRx Peptides | 30mg | $55.00 | $1.83/mg | United States | In stock |
| 5 | Bluum Peptides | 6c Peptide (Unmodified P21) Research Peptide | 10mg | $39.00 | $3.9/mg | — | In stock |
| 6 | Raccoon Peptides | P21 10mg | 10mg | $40.13 | $4.01/mg | GB | In stock |
| 7 | OP Labs | P-21 (PO21) 5mg | 5mg | $30.74 | $6.15/mg | United Kingdom | In stock |
| 8 | Tydes Peptides | P21 (P021) 10mg | 10mg | $75.00 | $7.5/mg | USA | In stock |
| 9 | Peptides World | P-21-10Mg | 10mg | $79.90 | $7.99/mg | — | In stock |
| 10 | Peptiology | P21 5mg | 5mg | $44.28 | $8.86/mg | GB | Out of stock |
| 11 | Adaptog Research | p 21 - 50mg | 50mg | $461.94 | $9.23/mg | GB | In stock |
| 12 | Peptides Lab UK | P21 For Lab Research | 10mg | $92.62 | $9.26/mg | United Kingdom | In stock |
| 13 | Rp Peptides | P21 (P021) 5mg : Research Only | 5mg | $48.32 | $9.66/mg | GB | In stock |
| 14 | Genx Peptides | P21 (P021) 5mg | 5mg | $50.00 | $10/mg | United States | Out of stock |
| 15 | BehemothLabz | P21 | 10mg | $116.97 | $11.7/mg | USA | In stock |
| 16 | Pure Rawz | P21 (P021) - Peptide / 10mg | 10mg | $117.25 | $11.72/mg | — | In stock |
| 17 | PureHealth Peptides | P-21 (Adamantane) | 10mg | $119.00 | $11.9/mg | — | In stock |
| 18 | Verifiedpeptides | P21 Peptide 10MG (P021) | 10mg | $119.00 | $11.9/mg | — | In stock |
| 19 | Grey Research Peptides | P21 5mg | 5mg | $60.00 | $12/mg | — | Out of stock |
| 20 | Genesis Peptides | P21 | 5mg | $61.00 | $12.2/mg | USA | In stock |
| 21 | Paramount Peptides | P21 / BDNF (Brain-derived neurotrophic factor) (10mg) | 10mg | $127.50 | $12.75/mg | unknown | In stock |
| 22 | UK Peptides | P21 (P021) 5mg | 5mg | $65.77 | $13.15/mg | United Kingdom | In stock |
| 23 | Nationwide Peptides | P21 Peptide - 5mg | 5mg | $97.00 | $19.4/mg | United States | In stock |
| 24 | Liberty Peptides | P21 (5mg) | 5mg | $99.00 | $19.8/mg | USA | In stock |
| 25 | Alpha Omega Peptide | P21 – 10mg | 10mg | $198.00 | $19.8/mg | USA | In stock |
| 26 | Simple Peptide | P21 – 10mg | 10mg | $198.00 | $19.8/mg | unknown | In stock |
| 27 | Real Peptides | P21 | 5mg | $100.00 | $20/mg | USA | In stock |
| 28 | Raw Amino | P21 - 5MG | 5mg | $110.00 | $22/mg | USA | In stock |
| 29 | Huaian Hanyou Peptide | P21 (5mg) | 5mg | $112.00 | $22.4/mg | China | In stock |
| 30 | Swiss Chems | P21 5mg | 5mg | $114.95 | $22.99/mg | International | In stock |
| 31 | americanpeptides.us | 5 mg | 5mg | $120.00 | $24/mg | United States | In stock |
| 32 | Geneticpeptide | P21 5MG | 5mg | $120.00 | $24/mg | United States | In stock |
Some links are affiliate links. This never affects our rankings or inclusion.
Provisional — the rank reflects offers actually captured from active vendors, not the full peptide catalogue. 95 of 98 tracked peptides have live offers today.Prices are captured from vendor catalogues and can change between sweeps — always confirm on the vendor's page. Research use only; nothing here is medical or purchasing advice.