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## Research Use Only

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Nootropics · live pricing

# Where to Buy P-21 — Cheapest Vendor in 2026

Live P-21 pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. Right now the cheapest source is **Disguised Alpha** at **$6.00/mg**.

## P-21 vendor ranking — cheapest first

1

Disguised Alpha

Best price 

$59.99 for 10mg · $6.00/mg 

[Buy at Disguised Alpha](https://www.bodyhackguide.co/go/disguised-alpha?utm_source=buy-page&utm_campaign=p-21&utm_medium=best-price)

[

Research profile

Mechanism, dosing, half-life, peer-reviewed studies for P-21.

](/compound/p-21)[

Coupon codes

Every active vendor coupon for P-21, click-to-copy.

](/coupons/p-21)[

Reconstitution calculator

Vial size + BAC water → concentration, syringe units, doses per vial.

](/tools/reconstitution/p-21)

## What is P-21?

P-21 (also written P021, or Peptide 021) is a synthetic peptidergic compound derived from the neurotrophic region of ciliary neurotrophic factor (CNTF), designed to activate neurogenic and BDNF-producing pathways in the adult brain without triggering the activation of the CNTF receptor that causes the undesirable side effects (cachexia, muscle wasting) that limited CNTF itself as a therapeutic. Th… [Read the full P-21 research profile](/compound/p-21)

## Buying P-21 — FAQ

### Where can I buy P-21 online?

P-21 is available from 1 verified research peptide vendor tracked on BodyHackGuide. The cheapest current price per mg is Disguised Alpha at $6.00/mg. Tap any "Buy" button on this page to go directly to the vendor's product page.

### What's the cheapest price for P-21?

Right now the lowest price per mg comes from Disguised Alpha at $6.00/mg ($59.99 for 10mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source.

### Is buying P-21 online safe?

Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown.

### Do I need a prescription for P-21?

P-21 is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell P-21 for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context.

**Affiliate disclosure.** BodyHackGuide may earn a commission from purchases made via the links on this page — at no additional cost to you. Vendor rankings are based purely on live price-per-mg data and the published Trust Score rubric. We don't accept payment for editorial placement. See our full [affiliate disclosure](/affiliate-disclosure) .

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