Content reviewed by clinical research staff

Last reviewed: March 2026Sources: PubMed, FDA, WADA Prohibited List

Evidence graded using the PeptideScholar A-D system.

Adamax

Modified Semax analog (adamantane-capped)7 amino acids

DLimited Data
50
Fair Credibility
2 cited studies | Evidence level D

Adamax is a modified, more lipophilic analog of Semax in which the N-terminal acetyl group is replaced with an adamantane moiety. Semax itself is a synthetic fragment of adrenocorticotropic hormone (ACTH(4-7)) with a C-terminal Pro-Gly-Pro tripeptide. The adamantane modification is claimed to increase blood-brain barrier penetration and extend half-life. There are zero published studies on Adamax specifically — all evidence is extrapolated from Semax research.

Mechanism of Action

Mechanism is extrapolated from Semax: Semax increases brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) expression, modulates dopaminergic and serotonergic systems, and upregulates neuroprotective gene expression. The adamantane group (also found in memantine, an NMDA antagonist for Alzheimer's) may confer additional membrane affinity and CNS penetration, but this claim is unverified for Adamax.

Benefits

  • Semax increases BDNF expression and provides neuroprotection in cerebral ischemia models[1]
  • Semax modulates dopaminergic and serotonergic brain systems — shown in rodent studies[2]
  • Semax shows nootropic and analgesic effects in animal models
  • The adamantane modification MAY improve brain penetration, but this is theoretical — no studies confirm this
Not medical advice - research-reported information only

This content is for informational purposes only and does not constitute medical advice.

Adamax - Dosing in Published Research

Reported routes: Intranasal, Subcutaneous injection
No established dosing. Adamax is a research chemical with no clinical studies. Anecdotal reports suggest intranasal doses of 100–400 μg, but this is entirely unvalidated. Semax is used in Russia at 0.1–1.0 mg intranasally for cognitive disorders. Extrapolating from Semax data is speculative and may not reflect Adamax pharmacology.

The dosing information above is sourced from published research literature and clinical trials. These are not recommendations. Individual responses vary. Always consult a healthcare provider before considering any peptide-based therapy.

Side Effects

  • No safety data exists for Adamax specifically — zero published studies
  • Semax has a favorable safety profile in Russian clinical use, but Adamax may differ
  • Unknown long-term neurological effects
  • No regulatory approval in any jurisdiction

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Research & Evidence

References

  1. 1.The peptide semax affects the expression of genes related to the immune and vascular systems in rat brain focal ischemia.. BMC Genomics, 2014. "Semax significantly altered gene expression in rat brain following ischemia, upregulating neuroprotective and vascular remodeling genes" [PMID: 24661604]
  2. 2.Semax, an ACTH(4-10) analogue with nootropic properties, activates dopaminergic and serotoninergic brain systems in rodents.. Neurochem Res, 2005. "Semax increased dopamine and serotonin turnover in rodent brain regions, providing mechanistic basis for nootropic effects" [PMID: 16362768]

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