Live vendor comparison
Cheapest P21 Peptide — 2026
Updated today
The cheapest P21 Peptide right now is $62.48 at PureRawz (per 10mg). We compare 4 vendors with normalized per-mg pricing so you're comparing apples to apples. Prices update continuously.
P21 Peptide pricing across our tracked vendors ranges $62.48 (cheapest) to $232.00 (most expensive) — a 271% spread for what should be the same compound. Median is ~$98.00. That's a huge spread, which usually means the cheapest vendor is either passing on bulk-buying advantage or cutting corners on QC. Always cross-check the cheapest vendor's COA before ordering. Cheapest vendor changes ~weekly based on restocks and discount cycling.
Why this page exists
Peptide prices vary wildly between vendors — sometimes by 3x or more for the exact same compound at the same purity. Vendors use different quantity sizes to obscure comparisons. PeptidePrices normalizes every price to a standard unit so you can see the real cheapest deal.
How we rank: Only in-stock listings are shown. Prices are deduplicated per vendor (cheapest variant only). Non-normalized listings (missing quantity data) are excluded. See our full methodology.
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