Semax is derived from a fragment of ACTH; Selank is derived from a fragment of tuftsin. Both are research neuropeptides, often studied together, differing in their origin and research focus. Research use only.
Side by side
| Semax | Selank | |
|---|---|---|
| Derived from | ACTH fragment | Tuftsin fragment |
| Class | Neuropeptide | Neuropeptide |
| Research focus | Cognitive and neurological | Neurological |
| Status | Research use only | Research use only |
Why they are studied together
Because both are short, stabilized neuropeptides of Russian origin studied in related areas, they are frequently paired in research and sometimes offered together as a blend. As research compounds, both are supplied for research use only.
Browse research-grade peptides
Every Axis compound is third-party tested to 99.4%+ purity, with a certificate of analysis on every batch.
What to look for
Whichever you study, a research-grade compound should ship with a batch-specific certificate of analysis documenting purity and identity.
Key takeaways
- Semax is ACTH-derived; Selank is tuftsin-derived.
- Both are research neuropeptides.
- They are frequently studied together and sometimes blended.
- Both are supplied for research use only.
A note on research use
The peptides supplied by Axis Peptide Labs are reference compounds for laboratory and research use only. They are intended for qualified researchers working in academic, institutional, and analytical settings. They are not drugs, foods, cosmetics, or medical products, and they are not intended for human or veterinary consumption. Documented identity and documented purity are what matter most when sourcing a compound, both of which are published on the Axis certificates of analysis page.
