Function hub
Nootropic peptides (UK research overview)
Nootropic peptides are a smaller and more specialist segment than healing or GH peptides. The Russian research lineage dominates the published preclinical literature: Semax and Selank are the most-named compounds, both developed at the Institute of Molecular Genetics in Moscow.
The nootropic-peptide segment is small in UK research stocking compared with the healing or GH lanes. Two Russian-research compounds dominate the literature: Semax and Selank. Both are derived from regulatory peptide research at the Institute of Molecular Genetics in Moscow and have official Russian-Federation pharmaceutical registration for human use in specific neurological indications. Western regulatory status is research-tier.
Semax is a synthetic ACTH(4-10) heptapeptide fragment. Russian indication is acute ischaemic stroke, with broader investigational use in cognitive disorders, optic-nerve atrophy, and ADHD. Administered as a nasal spray rather than injection in the Russian clinical context. Western evidence is largely Russian-published preclinical and clinical work that has not been replicated in Western trials.
Selank is a heptapeptide derived from tuftsin, an immune-modulating natural fragment. Russian indication is generalised anxiety disorder. Reported as anxiolytic without the sedation and dependence profile of benzodiazepines in the published Russian work. Again, Western validation is sparse.
Cerebrolysin is a porcine-brain peptide hydrolysate used in Eastern European and Asian neurology practice for stroke recovery and dementia. It is not a single peptide but a mixture. Some UK research retailers stock it.
MOTS-c has been studied for cognitive effects via the mitochondria-brain axis, though it is not primarily a nootropic compound. We cover it under the Longevity category but mention it here for completeness.
This category is intentionally light at present. We will be expanding the compound encyclopedia (Block 4 of the build plan) to cover Semax, Selank, and Cerebrolysin in depth. Until then, this hub serves as the UK retailer surface for the segment with the CoA tier badge in place.
Compounds in this category
Semax
Encyclopedia buildingRussian-research ACTH(4-10) heptapeptide. Acute ischaemic stroke indication in Russia. Nasal-spray administration. Encyclopedia entry building.
Selank
Encyclopedia buildingRussian-research heptapeptide derived from tuftsin. Generalised anxiety disorder indication in Russia. Encyclopedia entry building.
Cerebrolysin
Encyclopedia buildingPorcine-brain peptide hydrolysate. Stroke recovery and dementia use in Eastern European neurology. Mixture, not a single peptide. Encyclopedia entry building.
MOTS-c (cognitive angle)
Primarily longevity-classed. Cognitive effects via mitochondria-brain axis are an active research lane.
Read the encyclopedia entryUK retailers stocking this category
See PeptideClear Trust Index →Ranked by CoA Trust tier (strong, partial, weak). Editorial commentary based on publicly available information. We take no commission, referral fee or payment from anyone listed here.
Researchers wanting named-stack bundles (Wolverine, KLOW, Glow) and CoAs that can be QR-verified to a named third-party lab.
Research peptide retailer · Wolverine Stack £29.99, BPC-157 single from £14.99
Nottingham-based research peptide retailer (Bio Research Ltd, since 2024). Bundles and stacks are the hero SKU (Wolverine BPC-157 + TB-500, Tesamorelin + Ipamorelin 3:1, KLOW, Glow). Janoshik third-party CoAs published per batch with QR-code verification. 10-vial bulk packs alongside singles. Wholesale tier above 11 vials.
Best for classic peptides catalogue
Research peptide retailer · Per peptide, varies
Long-trading UK research peptide retailer (2012). Heavy on classic compounds (BPC-157, TB-500, GHK-Cu, CJC-1295, Ipamorelin, MOTS-c). No GLP-1, no cosmetic line. CoA gated via on-site contact form (request lab report per product). Reconstitution calculator on-site.
Best for openly published per-batch lab documentation, with an ungated lab analysis library covering 70+ products
Research peptide retailer · Per peptide, varies
UK research peptide retailer trading as PFP Research Limited, with a public batch-numbered lab analysis library covering 70+ products and stated UK service hours six days a week.
Buyers who want personal owner-accountability via WhatsApp and prefer CoAs visible in product images rather than gated. Strong stack catalogue.
Research peptide retailer · BPC-157 from £18.99, Wolverine Stack discounted
Family-run Newcastle research peptide retailer (Rian, Victoria, Leah Redman). Owner-fronted WhatsApp on every page. CoAs photographed into the product gallery (COA in image) rather than gated. Heavy on named-stack bundles (Wolverine, Hulk, Ultimate Bundle). Crisp live chat sitewide. Personal accountability is the trust play.
Best for per-batch lab reports across a broad peptide range
Research peptide retailer · BPC-157 from £16.85
UK research peptide supplier trading as New Wave Solutions Limited, listing 99%+ HPLC purity and per-batch lab reports across repair, GH-secretagogue and longevity ranges. Research-use-only framing runs throughout the site.
Quick answers
Are Semax and Selank legal in the UK?
Semax and Selank are not UK-licensed medicines. UK research peptide retailers sell them under research-use-only framing. In the Russian Federation they are registered pharmaceuticals: Semax for acute ischaemic stroke and Selank for generalised anxiety disorder. Both were developed from regulatory-peptide research at the Institute of Molecular Genetics in Moscow. PeptideClear covers them as encyclopedia information, without dosing or human-use guidance.
Why are nootropic peptides given as a nasal spray?
In the Russian clinical-research context, Semax and Selank are administered as a nasal spray rather than by injection, and that is the route documented in the Russian-published trial work. Some UK research peptide retailers stock both injectable and nasal forms under research-use-only framing. PeptideClear notes the administration route as a factual detail from the literature, not as a usage instruction.
Has Western research validated the Russian nootropic peptide work?
Western validation is sparse. The bulk of preclinical and clinical literature on Semax and Selank is Russian, and independent Western replication has not been done comprehensively. The Russian research is substantial and consistent across decades, but by Western pharmaceutical standards the evidence base would be considered preliminary. PeptideClear reports this balance honestly rather than presenting either compound as proven.
What is Cerebrolysin?
Cerebrolysin is a porcine-brain peptide hydrolysate, a mixture rather than a single peptide, used in some Eastern European and Asian neurology practice for stroke recovery and dementia. It has no UK marketing authorisation, and some UK research retailers stock it under research-use-only framing. PeptideClear summarises what the compound is and where it sits regulatorily, without dosing or human-use protocols.
Frequently asked questions
Are Semax and Selank legal in the UK?
They are not UK-licensed medicines. UK research peptide retailers sell them under research-use-only framing. Russian Federation has them registered as licensed pharmaceuticals for stroke and anxiety indications respectively.
Why nasal spray rather than injection?
Russian clinical-research administration of Semax and Selank uses nasal-spray formulation. This is the route documented in the Russian-published trial work. Some UK retailers stock both injectable and nasal forms.
Has Western research validated Russian nootropic peptide work?
Western validation is sparse. The bulk of preclinical and clinical literature on Semax and Selank is Russian. Independent Western replication has not been comprehensively done. The Russian research is substantial and consistent over decades, but the evidence base would be considered preliminary by Western-pharma standards.
Related on PeptideClear
Editorial position
PeptideClear is a comparison and information service. We do not sell, dispense, prescribe, or recommend a specific product or medication for a specific person. Every page is editorial commentary. Every CTA leads off-site to a verified UK partner. Read our full methodology.