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EmergingResearch compoundReference only

Adamax

Adamantane-conjugated Semax peptide with enhanced BBB penetration and prolonged neurotrophic action.

NootropicPeptidePeptideMemoryBDNFBDNF

Pharmacology

ClassPeptide · Memory · BDNF
Primary targetBDNF / TrkB signaling
Targets3 receptor targets
EvidenceReference only
Affected systemsBDNF

Contents

WHAT IS ADAMAX?

Detailed overview

Adamax is an adamantyl-conjugated derivative of the Russian Semax peptide (ACTH 4-10 analog, sequence Met-Glu-His-Phe-Pro-Gly-Pro). The modification serves two purposes: (1) increased blood-brain barrier permeability via higher lipophilicity, (2) N-terminal peptidase resistance, so intranasal dosing produces ~5-10× longer CNS exposure than plain Semax. Publications from Lomonosov Moscow State University and Bulletin of Experimental Biology and Medicine (PMID 31075176) demonstrate BDNF/NGF-inducer effects and an anxiolytic profile in animal models (forced swim test, elevated plus maze). No human clinical trials exist; only user anecdotes and preclinical PK data are available. The adamantyl group recurs in other nootropics (Bromantane, Memantine) – a shared theme of improving CNS permeation.

Mechanism

Melanocortin (MCR3/4) + BDNF/NGF inducer

Half-life

4-6 h (intranasal, animal PK)

Legal status

EU/USA: research compound, not approved

Receptor profile

  • BDNF / TrkBStrong
  • Enkephalin-degrading enzymesModerate
  • Blood-brain barrier penetration (adamantane)Moderate

Safety

Side effects, stop signs, contraindications

Side effects · 6

  • Limited human safety data, side-effect profile is mainly preclinical and anecdotal
  • Intranasal use may cause nasal mucosa irritation, stinging and sneezing
  • Headache and transient irritability (anecdotally reported with the parent Semax)
  • Overstimulation, restlessness or sleep disturbance, especially with late-evening dosing
  • Mood swings or anxiety-like sensations in some user reports
  • Unknown long-term safety, chronic effects of the adamantyl modification are unstudied

Contraindications · 5

  • Avoid during pregnancy and breastfeeding, no safety data available
  • Unapproved research compound without human clinical trials, not recommended without medical supervision
  • Caution with anxiety, mood disorders or ongoing psychiatric treatment due to neuroactive effects
  • Avoid combining with other CNS-active agents, stimulants or peptides, interactions are unknown
  • Purity and composition not guaranteed from grey-market sources, risk of contamination

Related Nootropics

Same therapeutic category

FAQ

FAQ

Adamax is a modified version of the Russian peptide Semax, with a fat-soluble group attached to help it cross the blood-brain barrier more easily and act for longer. The idea is that it would give a stronger, longer-lasting boost to the brain's own growth-factor (neurotrophic) signaling, but since this is an experimental/community modification, no concrete human trial data on its effects is given in the source.

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Structure & chemistry

TypeNootropic
Formulamixture
UpdatedJune 19, 2026
MolekulaX Editorial Team·Source-verified · PubMed · FDA · EMA
Updated: June 19, 2026

The information here is strictly for educational and scientific purposes. It does not replace medical advice or clinical consultation, and it does not encourage illegal substance or pharmaceutical use. Data is sourced. When in doubt, consult your doctor.