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Peptides & Research Chemicals

Semax & Selank (Russian Nootropic Peptides)

Street names: Semax, Selank, N-Acetyl Semax, ACTH fragment, Tuftsin

Semax & Selank (Russian Nootropic Peptides) — Nasal sprays (0.1%) and vials from Russian pharmacies or grey importers

What it does

  • Semax: ACTH(4-10) analog — focus/neuroprotection claims; Selank: tuftsin analog — anxiolytic without sedation. The CIS 'smart nasal sprays'

Key risks

  • Russian clinical data exists but Western replication is thin
  • Grey-market nasal sprays: sterility and dosing unverified
  • Effect sizes modest; expectation hype large
  • Chronic melanocortin stimulation — theoretical unknowns

Overdose signs

  • Nasal irritation
  • Headache, agitation at high doses

📋Quick facts

Also known asSemax, Selank, N-Acetyl Semax, ACTH fragment, Tuftsin
CategoryPeptides & Research Chemicals
Schedule / classRx in Russia/CIS; unscheduled grey market elsewhere
AppearanceNasal sprays (0.1%) and vials from Russian pharmacies or grey importers
Street price$15–$40 per spray grey-import
Legal statusRx Russia/CIS; unregulated elsewhere; WADA-adjacent monitoring
Last updated2026-09-18
Sources: PubMed, Russian clinical literature

Category comparison — Peptides & Research Chemicals

SubstanceClassTop risksStreet price
Semax & Selank (Russian Nootropic Peptides)Rx in Russia/CIS; unscheduled grey market elsewhereRussian clinical data exists but Western replication is thin; Grey-market nasal sprays: sterility and dosing unverified$15–$40 per spray grey-import
Racetams (Piracetam, Phenylpiracetam, Noopept)Rx in EU/RussiaEvidence for healthy-user enhancement is WEAK — most data is in cognitive impairment; Headaches (choline depletion theory), insomnia, anxiety at high doses~$20–$50 per 50 g piracetam
CJC-1295 + Ipamorelin StacksUnapproved — 'research chemical' grey market; anti-aging clinic gray zoneZero long-term human safety data; cancer-growth theoretical concern with chronic GH elevation; Gray 'clinics' operating outside medical-board norms; compounding-pharmacy quality variance$60–$150 per 'stack' month grey-market
Modafinil (Provigil)Schedule IVHeadache (most common); Serious rash — Stevens-Johnson syndrome (rare, dangerous)~$1–$3 per 200 mg grey-market
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Semax & Selank (Russian Nootropic Peptides) look like?

Nasal sprays (0.1%) and vials from Russian pharmacies or grey importers

What are the signs of a Semax & Selank (Russian Nootropic Peptides) overdose?

Nasal irritation; Headache, agitation at high doses Call emergency services immediately.

How addictive is it?

Russian clinical data exists but Western replication is thin Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.