NA Semax Amidate vs Semax
Well Studied vs Well Studied
monitor Mechanism-based · 51% Both NA Semax Amidate and Semax can raise blood pressure. Monitor BP regularly and consider adding cardiovascular support (cardarine, telmisartan, or similar).
Molecular Data
NA Semax Amidate Semax
Weight 1,007.16 Da 813.93 Da
Half-life 2-10 hours 0.5-2 hours
Chain 7 amino acids 7 amino acids
Type Modified ACTH analog ACTH(4-10) synthetic analog
Key Benefits
NA Semax Amidate
01 Direct brain access via olfactory nerves
02 Rapid onset (15-30 minutes)
03 Proven cognitive efficacy
04 Extended half-life vs standard Semax
05 Enhanced BDNF upregulation
Semax
01 Rapid brain delivery via intranasal route
02 Rapidly increases BDNF levels
03 Extensive clinical research in Russia
04 Easy self-administration
05 Modulates dopamine and serotonin systems
06 Neuroprotective effects
Dosing Protocols
NA Semax Amidate
600-1200mcg per administration / 1-2x daily for 10-30 days
Research protocol 200mcg 1x daily
Neuroprotection study 400mcg 1x daily
Semax
300-600mcg per dose (up to 1000mcg for intensive use) / 1-2x daily (morning recommended for cognitive boost)
Research protocol 500-750mcg 1x daily
Intensive protocol 750-1000mcg 1-2x daily
Side Effects
NA Semax Amidate
Mild nasal irritation (intranasal)
Slight headache initially
Semax
Mild nasal discomfort (nasal route)
Possible nasal sensation upon administration
Contraindications
Not recommended during pregnancy
Active nasal congestion or sinus infection
Individuals on neurotransmitter-affecting medications without consultation
Pregnancy or breastfeeding
Known peptide allergies
Do not exceed 4-week continuous use without medical supervision
Research Evidence
NA Semax Amidate Semax
Status Well Studied Well Studied
References 5 studies 5 studies
Latest 2025 2025
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.