Beginner Guide
What Are Cognitive Peptides?
A beginner introduction to cognitive peptides, neurotrophic signaling, GABA biology, and how Semax, Selank, and DSIP are studied.
Cognitive Peptides in Plain Language
Cognitive peptides are research compounds studied for their effects on brain function — memory formation, stress regulation, neuroprotection, learning, and sleep architecture. Unlike traditional nootropics, the compounds in the OSYRIS Cognitive category act through peptide-specific mechanisms: neurotrophic factor production, gene expression modulation, inhibitory neurotransmission, and sleep-cycle regulation.
Three Things to Know
Semax — A synthetic analog of ACTH(4-10) that promotes BDNF and NGF production. Think of it as telling the brain to make more of its own repair and growth factors.
Selank — An anxiolytic peptide that modulates GABA-A receptor subunit expression. Instead of forcing sedation, it changes how the brain's main inhibitory system is built.
DSIP — Delta Sleep-Inducing Peptide, studied for sleep architecture modulation. It doesn't make you sleepy like a sedative; it influences how sleep stages are organized.
What's in the OSYRIS Cognitive Category
| Compound | Focus | Mechanism |
|---|---|---|
| Semax | Neuroprotection, learning | BDNF/NGF upregulation |
| Selank | Stress, inhibitory balance | GABA-A subunit modulation |
| DSIP | Sleep architecture | Delta-wave modulation |
Where to Go Next
- Want to compare Semax and Selank? → Semax vs Selank
- Want deeper science? → Cognitive Category Guide
- New to peptides? → What Are Research Peptides?
Featured Links
Step from the plain-language overview into the deeper literature on neurotrophic, anxiolytic, and sleep-focused peptides.
Read → Shop Collection Cognitive CollectionBrowse Semax, Selank, DSIP, and the supporting citations, specs, and COAs attached to each compound.
Browse → Beginner Guide What Are Research Peptides?Start with the broad primer on what peptides are, how they are studied, and why RUO context matters.
Read →Questions
Common Questions
Are cognitive peptides the same as nootropics?
They overlap. "Nootropic" is a broader term for any compound studied for cognitive effects. The OSYRIS cognitive peptides work through neurotrophic and gene-expression mechanisms rather than the neurotransmitter modulation typical of most nootropics.
Are Semax and Selank stimulants?
No. Neither modulates stimulatory neurotransmitters. Semax promotes neurotrophic factor production. Selank enhances inhibitory GABA signaling.
Can they be combined?
Yes. Semax and Selank target complementary pathways and were designed at the same institute to be mechanistically compatible.
Are these approved anywhere?
Semax and Selank are approved in Russia for neurological indications. DSIP is not approved anywhere. OSYRIS versions are research-grade for laboratory use only.
Is DSIP a sleeping pill?
No. DSIP modulates sleep architecture without producing sedation. It influences sleep quality, not sleep quantity.
Which has the most evidence?
Semax has the most published data (neuroprotection, BDNF, gene expression). Selank has strong behavioral pharmacology data. DSIP has older literature with variable human results.
