Source comparison
Semax vs Selank: Mechanism Comparison
Origin ACTH(4-10) analog Tuftsin derivative Size 7 amino acids Primary Mechanism BDNF/NGF upregulation GABA modulation + enkephalin preservation Primary Effect Cognitive enhancement Anxiolytic (anti-anxiety) Secondary Effects Neuroprotection, attention Cogniti
This comparison does not assign a generated winner or score.
- Origin
- ACTH(4-10) analog
- Tuftsin derivative
- Size
- 7 amino acids
- Primary Mechanism
- BDNF/NGF upregulation
- GABA modulation + enkephalin preservation
- Primary Effect
- Cognitive enhancement
- Anxiolytic (anti-anxiety)
- Secondary Effects
- Neuroprotection, attention
- Cognitive support, immune modulation
- Anxiety Reduction
- Mild (indirect)
- Strong (primary mechanism)
- Focus Enhancement
- Moderate (by removing anxiety interference)
- Sedation
- None
- Dependency Risk
- None documented
- Immune Effects
- Minimal
- Immunomodulatory (tuftsin-derived)
- Clinical Approval
- Russia (stroke, cognitive)
- Russia (anxiety)
- Administration
- Intranasal preferred
- FDA 2026 Status
- Category 1 expected