For Research Purposes Only. This page summarizes published preclinical and clinical research. It does not constitute medical advice and is not a recommendation for human use.
Semax + Selank
Two-peptide nootropic blend pairing ACTH-derived Semax (focus, neuroprotection) with tuftsin-derived Selank (anxiolytic, stress modulation).
01 · What is Semax + Selank?
Semax + Selank is a two-peptide nootropic blend pairing the ACTH-derived Semax — studied for focus and neuroprotection — with the tuftsin-derived Selank, studied for anxiolytic and stress-modulation effects. Both originate from Russian peptide research programs and are commonly used together intranasally in research settings. No live vendor pricing is currently tracked for this blend.
Sizes currently sold by tracked vendors: 10mg, 20.83mg, 200mg, 20mg, 54mg, 87mg.
02 · Price comparison
Prices last checked Oct 26, 2026| Vendor | Sizes | Price range | Best $/mg | Stock |
|---|---|---|---|---|
| Peptidology | 3 | $77.99 – $129.99 | $1.44 | In stock |
| NUPEPS | 1 | $62.50 | $3.13 | In stock |
| Royal Peptides | 2 | $90.00 – $685.00 | $3.42 | In stock |
| Umbrella LabsVerified | 1 | $55.99 | $5.60 | In stock |
| Oasis Labs | 1 | $96.50 | $9.65 | In stock |
5 vendors tracked · prices scraped weekly from vendor sites · open full comparison table →
03 · Third-party purity data
Full data at peptigrity.com ↗Independent HPLC test results — averages across multiple samples.
04 · Frequently asked questions
What is Semax + Selank?
Semax + Selank is a two-peptide nootropic blend pairing the ACTH-derived Semax — studied for focus and neuroprotection — with the tuftsin-derived Selank, studied for anxiolytic and stress-modulation effects. Both originate from Russian peptide research programs and are commonly used together intranasally in research settings. No live vendor pricing is currently tracked for this blend.
Is Semax + Selank FDA approved?
No — neither component is FDA-approved in the US (both are approved for clinical use in Russia). The blend is sold as a research chemical.
How much does Semax + Selank cost?
Across 5 vendors tracked by PepVendors, Semax + Selank currently runs $1.44–$9.65 per mg at each vendor's best price tier (5 showing in stock). Vial prices and size tiers vary — the live comparison table on this page lists current pricing.
Which vendors have third-party purity data for Semax + Selank?
Independent labs (Finnrick Analytics, Janoshik) have published HPLC purity results for 42 samples of Semax + Selank or its components: Polaris Peptides (100.0%), Nexaph (100.0%), Nexaph (100.0%), Peptide Partners (99.9%), Eternal Peptides (99.9%), Peptide Partners (99.9%), Oasis Labs (99.9%), Oasis Labs (99.9%), Loti Labs (99.9%), Royal Peptides (99.8%), Loti Labs (99.8%), NUPEPS (99.8%), Core Peptides (99.8%), NUPEPS (99.8%), Limitless Life (99.8%), Injectify (99.8%), Simple Peptide (99.7%), Sunrise BioResearch (99.7%), SaiyanMed (99.7%), HkRoids (99.7%), Umbrella Labs (99.7%), Prime Peptides (99.6%), Royal Peptides (99.6%), Verified Peptides (99.5%), Eternal Peptides (99.5%), Limitless Life (99.5%), SaiyanMed (99.5%), Polaris Peptides (99.5%), Peptidology (99.4%), Peptidology (99.4%), Injectify (99.3%), HkRoids (99.3%), Sunrise BioResearch (99.2%), Amino Amigos (99.2%), Liberty Peptides (99.2%), Paramount Peptides (99.1%), Liberty Peptides (99.1%), Umbrella Labs (99.1%), Hydro Research (99.0%), Go Alpha Labs (98.9%), Biolongevity Labs (98.8%), Paramount Peptides (98.0%). A grade A (≥98%) is the appropriate baseline for research use — check the linked lab reports for batch-level detail and fill-accuracy data.