Nootropic peptide
Selank.
6 vendors · €20–33
Russian heptapeptide derived from tuftsin. Anxiolytic/nootropic research.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
SELANK · price per mg
6 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Pepsup 10 mg at €2.50/mg.
5 mg
2 listings01
Direct Peptides EUVID-DIRECT-P · UK network · from £16.79
5 mg
99%
HPLC badge only (no reports published)
In stock
10–14 days
€4.00/mg
€20
02
SwissChemsVID-SWISSCHE · US dispatch · from $25.95
5 mg
99%
HPLC · third-party COA
In stock
2–3 weeks
€4.40/mg
€22
10 mg
3 listings01
PepsupVID-PEPSUP · NL dispatch · €24.99
10 mg
99%
No COA published (mfr claim 99%+)
In stock
NL 1–2 d · EU 2–5 d
€2.50/mg
€25
02
Particle PeptidesVID-PARTICLE · SK dispatch
10 mg
99.8%
Liquilabs (CZ) · batch 2026311, published 2026-04-27 · HPLC · FTIR · microbial counts · endotoxin · elemental impurities · purity >99.8% · no MS identity on this reportLiquilabs · HPLC · FTIR · TAMC/TYMC · LAL · Elemental impurities · Batch 2026311 · Apr 27, 2026
In stock
2–7 days
€3.10/mg
€31
03
Adria ScienceVID-ADRIA-SC · SI/CZ dispatch
10 mg
99.8%
Liquilabs per-lot COA
Low stock
Dispatch 1–3 days
€3.30/mg
€33
Flagged vendors · documented, never recommended
01
CertaPeptidesVID-CERTAPEP · RO dispatch
5 mg
98%
Janoshik (selected lots)
In stock
3–7 days
€6.00/mg
€30
Same research area
Similar compounds.
Nootropic peptide
Semax
ACTH(4-10) analog. Investigated for cognitive and neuroprotective effects.
7 vendors€24–64
Sleep research neuropeptide
DSIP
Delta sleep-inducing peptide — 9-residue neuropeptide first isolated from cerebral venous blood during low-frequency sleep induction. Researched for sleep–wake cycle mechanisms; not approved for human therapeutic use anywhere.
5 vendors€21–56
Long-form research guide
Cognitive Enhancement Research. Mechanism + protocols + safety.
BDNF, neuroplasticity, and anxiolytic mechanisms in nootropic peptide research
Open the long-form guide for Selank →