Dihexa vs Semax
Emerging vs Well Studied
compatible Enhanced cognitive benefits; monitor for overstimulation.
Molecular Data
Dihexa Semax
Weight 504.7 Da 813.93 Da
Half-life 8-12 days 0.5-2 hours
Chain — 7 amino acids
Type Modified oligopeptide ACTH(4-10) synthetic analog
Key Benefits
Dihexa
01 Dramatic synaptogenesis promotion
02 10 million times more potent than BDNF
03 Cognitive enhancement and memory improvement
04 Neuroprotection and potential neuroregeneration
05 Applications for Alzheimer's, TBI, age-related cognitive decline
06 Oral bioavailability
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
Dihexa
8-10mg oral or 2-5mg injectable (0.5mg/kg based on research) / Once daily in the morning
Research protocol 0.5mg/kg daily Daily or 3x weekly
Standard injectable 2-5mg total 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
Dihexa
Headaches (most frequent side effect)
Anxiety or overstimulation
Sleep disruption when dosed late in day
Mental clarity increase
Semax
Mild nasal discomfort (nasal route)
Possible nasal sensation upon administration
Contraindications
Not FDA approved - research compound only
Theoretical cancer risk via c-Met activation
Cancer history (avoid due to c-Met pathway)
Pregnancy or breastfeeding
No long-term human safety data
Pregnancy or breastfeeding
Known peptide allergies
Do not exceed 4-week continuous use without medical supervision
Research Evidence
Dihexa Semax
Status Emerging Well Studied
References 3 studies 4 studies
Latest 2024 2021
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.