Semax
Updated April 28, 2026
Primary Benefits:
- Enhances cognitive performance and memory retention
- Provides neuroprotection and supports brain repair mechanisms
- Improves attention, focus, and mental clarity
- May increase motivation and stress resilience
Mechanism of Action:
Semax is a synthetic peptide derived from adrenocorticotropic hormone (ACTH 4–10), modified to avoid hormonal effects while enhancing cognitive and neuroprotective outcomes. It promotes brain-derived neurotrophic factor (BDNF) expression and supports neurotransmitter balance (dopamine, serotonin), aiding learning, memory, and mental endurance. It may also reduce oxidative stress and inflammation in the central nervous system.
Dosing & Protocol:
Subcutaneous (SQ) Injection:
- Reconstitution:
10 mg vial → 3.0 ml bacteriostatic water - Daily Dose:
166 mcg (6 units) - Cycle:
5 days on / 2 days off
6 weeks - Timing:
Based on personal preference; no strict time requirement
Potential Side Effects:
- Mild headache or temporary dizziness (uncommon)
- Rare cases of mild irritability or overstimulation
- Localized redness or sensitivity at the injection site
- No known systemic toxicity at recommended doses
Common Stacks:
- With Selank for synergistic anti-anxiety and cognitive support
- With Cerebrolysin for enhanced neuroregeneration in recovery protocols
- With 5-Amino-1MQ for mental energy and mitochondrial enhancement
- With BPC-157 for brain injury or post-concussion healing support
Notes:
- Can be used acutely (e.g., exam preparation, recovery from burnout) or as part of a long-term cognitive protocol
- May be administered intranasally as an alternative (off-label, requires different formulation)
- Store reconstituted solution in the refrigerator and use within 45 days unless the product label or protocol says otherwise
- Not intended for those with known hypersensitivity to ACTH analogs
Disclaimer:
The information provided in this article is for educational and informational purposes only and is not intended as medical advice. These statements have not been evaluated by the FDA or Health Canada. Peptides and other compounds discussed are intended for research purposes only and are not approved for human consumption unless prescribed by a licensed medical professional. Always consult your healthcare provider before starting any new protocol, supplement, or treatment.