Source comparison
Semax vs Selank at a Glance
A side-by-side reference for the key differences between these two research peptides. Both are for laboratory research use only. Synthetic analog of ACTH(4-10) Synthetic analog of tuftsin (Thr-Lys-Pro-Arg) Heptapeptide (7 amino acids) Developed in Russia; regi
This comparison does not assign a generated winner or score.
- A side-by-side reference for the key differences between these two research peptides. Both are for laboratory research use only.
- Synthetic analog of ACTH(4-10)
- Synthetic analog of tuftsin (Thr-Lys-Pro-Arg)
- Heptapeptide (7 amino acids)
- Developed in Russia; registered in Russia and Ukraine
- Developed in Russia; registered in Russia
- Cognitive function, neuroprotection, BDNF modulation
- Anxiolytic activity, stress response, immunomodulation
- BDNF and NGF upregulation; dopamine/serotonin modulation
- GABAergic modulation; enkephalin degradation inhibition
- Stroke recovery, cognitive impairment, ADHD-analog models
- Anxiety and stress models, immune modulation
- Nasal spray, injectable vial
- Short in plasma; intranasal delivery studied for CNS access
- Short in plasma; rapidly metabolized
- Moderate; some published clinical data from Eastern Europe
- Moderate; primarily animal models, limited clinical trials
- Registered as a drug in Russia for neurological indications
- Registered as a drug in Russia; not approved in US/EU