What is PE-22-28?

The short answer

PE-22-28 is a peptide, a short chain of amino acids.

What it is
PE-22-28: Synthetic peptide (spadin analog).
What people look into
Brain

4 sources
Status as of October 7, 2026
How we source
Ellum doesn't sell peptides.

By Ellum EditorialUpdated October 7, 2026AI use

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State

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Peptides: PE-22-28 (1 selected) · edit

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What it is

Also known as: pe-22-28 peptide

Regulatory status

Not FDA-approved How we label status

As of October 7, 2026, PE-22-28 is not FDA-approved for any use and is not on FDA's 503A bulks list.

See PE-22-28 in the Index →

Federal (FDA): Not FDA-approved (no drugsfda record)
503A compounding: No category; not on 216.23 as of 2026-10-07; not an approved-drug component (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 7, 2026