Compare · Semax vs Selank
Semax vs Selank
Quick answer
They differ in chemistry and reported molecular targets: Semax is associated with BDNF / TrkB signaling, while Selank is associated with tuftsin / immunomodulatory pathways. This page compares them only as research materials.
Researchers frequently look up Semax and Selank side by side. This reference compares the two as laboratory research materials, covering their chemistry, reported molecular targets, and the study areas each appears in. It does not rank them and makes no claim that either is preferable for any purpose; both are described strictly as research materials.
At a glance
Semax is research peptide studied mainly in the context of neurotrophic research and neuroprotection models. Selank is research peptide associated with anxiolytic research and nootropic model studies.
Both fall within Blueprint Labs' Performance & Longevity category, which is why they are often researched together or in sequence.
Semax: chemistry & targets
Semax (ACTH(4-10) analog) is characterized in the literature by BDNF / TrkB signaling, neurotrophic factor expression, and dopaminergic modulation.
- Class
- research peptide
- Category
- Performance & Longevity
- Molecular weight
- 813.92 g/mol
- CAS number
- 80714-61-0
- Primary target
- BDNF / TrkB signaling
- Physical form
- Lyophilized powder
Selank: chemistry & targets
Selank (Thr-Lys-Pro-Arg-Pro-Gly-Pro) is characterized in the literature by tuftsin / immunomodulatory pathways, GABAergic and monoaminergic signaling (reported), and BDNF expression (reported).
- Class
- research peptide
- Category
- Performance & Longevity
- Molecular weight
- 751.90 g/mol
- CAS number
- 129954-34-3
- Primary target
- tuftsin / immunomodulatory pathways
- Physical form
- Lyophilized powder
How researchers choose between them
Selection in a research setting comes down to the model system and the question being asked: which molecular target is under study, which assays are planned, and how the compound is handled and reconstituted. This is a matter of experimental design, not of one compound being "better."
Semax is available from Blueprint Labs as a third-party-tested research material with a certificate of analysis. For research use only. Not for human consumption, diagnostic, or therapeutic use.
Available from Blueprint Labs
Semax
Semax is available from Blueprint Labs as a third-party-tested research material with a certificate of analysis.
Questions, answered
What's the difference between Semax and Selank?
They differ in chemistry and reported molecular targets: Semax is associated with BDNF / TrkB signaling, while Selank is associated with tuftsin / immunomodulatory pathways. This page compares them only as research materials.
Are Semax and Selank studied together?
They share the Performance & Longevity research category and are sometimes referenced in adjacent literature, but any pairing is an experimental-design decision, not a recommendation.
Which one is better?
Neither is "better." They are distinct research compounds with different targets, and this reference makes no efficacy, safety, or suitability claim. For research use only. Not for human consumption, diagnostic, or therapeutic use.