What is Prostamax (Lys-Glu-Asp-Pro)?

The short answer

Prostamax is a peptide, a short chain of amino acids.

What it is
Prostamax (Lys-Glu-Asp-Pro): Synthetic tetrapeptide (KEDP).
Four-amino-acid peptide modeled on prostate tissue, studied in lab models.
What people look into
Aging

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

By Ellum EditorialUpdated October 7, 2026AI use

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Peptides: Prostamax (Lys-Glu-Asp-Pro) (1 selected) · edit

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What it is

Also known as: prostamaxin
How it works: Four-amino-acid peptide modeled on prostate tissue, studied in lab models.

Regulatory status

Not FDA-approved How we label status

As of October 4, 2026, Prostamax (Lys-Glu-Asp-Pro) is not FDA-approved for any use and is not on FDA's 503A bulks list.

See Prostamax (Lys-Glu-Asp-Pro) 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

US enforcement actions

1 US enforcement action, in 2026.

Actions by US federal and state agencies whose documents name Prostamax (Lys-Glu-Asp-Pro). Each row links to the government's own document.

Scroll sideways to see all columns.

Date	Agency	Action	Document
June 17, 2026	FDA	Warning letter	FDA document, warning letter, June 17, 2026, on fda.gov

References

Sources as of October 4, 2026