Nootropic peptide
Selank.
7 vendors · $17–89
Russian heptapeptide derived from tuftsin. Anxiolytic/nootropic research.
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Every vendor. Same compound, sorted ascending.
SELANK · price-normalised
7 listings · unflagged vendors first
01
5 mg
99%
HPLC · MS · Janoshik
In stock
3–7 days
$17
03
PepsupVID-PEPSUP · €24.99 · duties on delivery
10 mg
99%
No COA published (mfr claim 99%+)
In stock
NL dispatch · PostNL Tracked 2–5 business days
$29
04
Purple PeptidesVID-PURPLE-P · US dispatch · legacy report #12196, no lot
10 mg
99.21%
BioRegen LC-MS legacy report (no lot #)
In stock
Same-day dispatch (before 12 PM PST) · USPS 2–4 days
$39
05
Core PeptidesVID-CORE-PEP · US dispatch
10 mg
99%
Per-product COA (method unstated)
In stock
Same-day dispatch
$52
06
Vyal LabsVID-VYAL-LAB · US dispatch · lot content 13.52 mg/10 mg
10 mg
99.61%
HPLC · MS · Accurate Test Labs (per-lot COA)
In stock
Same-day dispatch (before 2 PM EST) · 2–3 days
$89
07
Direct PeptidesVID-DIRECT-P · US dispatch · single vial
10 mg
99.61%
UPLC-MS + endotoxin (Horizon Analytical, lot DPS-7972709)
In stock
UPS Ground 2–5 business days (free)
$89
Same research area
Similar compounds.
Nootropic peptide
Semax
ACTH(4-10) analog. Investigated for cognitive and neuroprotective effects.
7 vendors$17–89
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$19–49
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 →