What is P021 (P21 peptide)?

The short answer

P021 is a compound built to act like a peptide.

What it is
P021 (P21 peptide): Adamantane-modified CNTF-derived peptide.
What people look into
Brain

4 sources
Status as of October 4, 2026
How we source
Ellum doesn't sell peptides.

By Ellum EditorialUpdated October 8, 2026AI use

Get updates on P021 (P21 peptide)

State

We'll store your email, your state, the page you're on and the peptides selected below (pre-selected from this page; untick any). Together these can reveal health interests. We use them only for what you tick below and to count sign-ups by state and peptide, without emails, to plan where the clinic opens and for reports that show only totals. Our hosting, database and email providers handle them for us. We pass them to a doctor or clinic only if you tick that box, and we don't sell them. Withdraw anytime with the unsubscribe link or at hello@ellumclinic.com. Consumer Health Data Privacy Policy

Ellum's sign-ups are for adults 18 and over.

Peptides: P021 (P21 peptide) (1 selected) · edit

Peptides you're interested inP021 (P21 peptide)

Add another molecule

What we may email you about

Notify me when an Ellum Clinic doctor can see me in my state

Send me updates on P021 (P21 peptide)

More options (optional): research, doctor contact, paid offers

Contact me about taking part in research (optional)

Send my email, state and peptides to Ellum Clinic or a doctor licensed in my state, so they can contact me about care (optional)

Email me paid offers from clinics and health companies, picked for my peptides and state. Ellum sends them; the companies don't get my details (optional)

What it is

Also known as: p21 nootropic

Regulatory status

Not FDA-approved How we label status

As of October 4, 2026, P021 (P21 peptide) is not FDA-approved for any use and is not on FDA's 503A bulks list.

See P021 (P21 peptide) in the Index →

Federal (FDA): Not FDA-approved (no drugsfda/DailyMed record)
503A compounding: No category; not on 216.23 as of 2026-10-07 (as of October 7, 2026)
WADA 2026: Not named; S0 (non-approved substances) applies if no health authority approves it for human use

References

Sources as of October 4, 2026