Skip to main content

HomeSemaxLegal status

Educational — Not Legal AdviceReviewed

Is Semax legal? FDA status and US regulatory standing

Current status

Status unverified. Semax has no verified FDA status in our records (status recorded ).

Primary source: www.fda.gov

Federal legal status

FDA approval status

Semax has no verified FDA status in our records. Russian ACTH 4-7 neuropeptide analog. Approved pharmaceutical nasal spray in Russia. Not FDA-approved. Not on FDA 503A bulks list. Unscheduled in US. Sold as research chemical.

Also known as

ACTH(4-10) analogue · Meksidol · Semax NA

Status history

  • Semax has no verified FDA status in our records. [source]

Frequently asked questions

Is Semax FDA approved?
Semax has no verified FDA status in our records (status recorded 2026-07-24). Primary source linked on this page.
Is Semax legal to buy?
Semax is available in the U.S. as a research-use-only compound. It has no verified FDA status in our records. Sale for human consumption is not permitted.
PeptideBase provides educational research tools and provider discovery. It does not provide medical advice, diagnosis, treatment, prescribing guidance, or dosing instructions. Consult a qualified healthcare professional before making health decisions.

Content review: Regulatory status is sourced from the linked primary records and reviewed by the PeptideBase editorial team. This page is educational — not legal or medical advice. Last reviewed: .

Free newsletter

The Peptide Research Digest

Weekly analysis on providers, sourcing and compounds — from the team behind PeptideBase.

No spam. Unsubscribe anytime. Privacy policy.