Comparison

Selank vs Adamax

Comprehensive side-by-side comparison of mechanisms, dosing, side effects, and research

Selank

Also: Selanc, TP-7

Clinical Trials

Selank is a synthetic seven-amino-acid peptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro) built from the natural immune peptide tuftsin, with a small chemical tweak to make it last longer in the body. It was developed in Russia as an anti-anxiety and nootropic agent and is approved there for generalized anxiety disorder, but it has no FDA or EMA approval and almost no Western clinical data. The pitch is calm and focus without the sedation, dependence, or withdrawal that come with benzodiazepines.

CognitiveHuman Trials
Adamax

Also: Semax derivative

Preclinical

Adamax is sold widely as an enhanced Semax derivative, and it is one of the clearest examples of a compound where availability has run far ahead of information. Vendors list it, forums discuss it, and there is essentially no peer-reviewed literature under this name. This page tells you what is actually known, what is inferred from its parent compound, and where the honest gaps are, because pretending otherwise would not help you.

CognitivePreclinical

Key Comparison Insights

  • Both peptides belong to the Cognitive category, suggesting similar primary applications.
  • Selank has stronger research evidence (Human Trials) compared to Adamax (Preclinical).

Detailed Comparison

AttributeSelankAdamax
CategoryCognitiveCognitive
FDA StatusNot FDA ApprovedNot FDA Approved
Clinical Status
Pre
I
II
III
IV
FDA
Pre
I
II
III
IV
FDA
Mechanism of ActionSelank seems to work through several overlapping systems rather than one tidy target. It influences GABA signaling, the brain's main calming neurotransmitter system, which likely accounts for its anti-anxiety effect. It also slows the breakdown of enkephalins, the body's own opioid-like peptides involved in mood and stress, which is a mechanism entirely different from benzodiazepines or SSRIs. Animal work additionally points to effects on serotonin and dopamine balance and on BDNF, a growth factor tied to learning and neuron health. These pathways are well documented in rodents; the picture in humans is inferred rather than directly measured.What is claimed is that Adamax is a structurally modified Semax analog, with modifications intended to improve stability and blood-brain barrier penetration relative to Semax itself. Semax is a synthetic fragment of ACTH (4-10) developed in Russia, and its best-supported mechanism is upregulation of BDNF and NGF in the hippocampus and cortex, alongside modulation of the monoamine systems and some effect on the melanocortin pathway. If Adamax is what it is sold as, its mechanism should be broadly that of Semax with altered pharmacokinetics. That is a reasonable inference and it is not the same thing as a demonstrated mechanism. No published pharmacology characterises Adamax specifically.
Common Dosing
250-500 mcg intranasal 2-3x daily
2-3x daily, intranasal
100-300 mcg daily (intranasal)
Once daily, morning
AdministrationIntranasal spray (most common), subcutaneous injectionIntranasal is the most commonly reported route, following Semax practice. Subcutaneous is also reported.
Typical Duration14-21 days typicalCommunity protocols typically report 2-4 week blocks rather than continuous use
Best Time to TakeMorning or as needed for anxietyMorning
Possible Side Effects
May vary by individual
  • Generally well-tolerated
  • Nasal irritation (spray)
  • Headache
  • Nausea
  • Fatigue
  • +3 more
  • Reported side effects are anecdotal, not from trials
  • Headache
  • Irritability or overstimulation, particularly with evening dosing
  • Nasal irritation with intranasal use
  • Fatigue after discontinuation in some reports
  • +1 more
Research SummaryMost of the rigorous data is preclinical and Russian. In rodents, Selank shows consistent anxiety-reducing and mild cognitive effects, and one PMC-indexed study found it enhanced diazepam's anti-anxiety effect under chronic stress. The main human clinical reference is a Russian comparative trial by Zozulia, Neznamov, and colleagues in patients with generalized anxiety disorder and neurasthenia, reporting that Selank's anxiolytic effect was comparable to the benzodiazepine medazepam on standard rating scales, with added anti-fatigue benefits and changes in enkephalin activity. The honest caveat: that trial was relatively small, the published English abstract gives qualitative results rather than hard effect sizes and p-values, and it has not been replicated by independent Western groups. So the evidence supports a real but modestly studied anxiolytic, mostly validated within the regulatory system that approved it.There is no peer-reviewed clinical or preclinical literature on Adamax under that name that stands up to a search. What exists is a substantial Russian-language research base on Semax, its parent, which includes clinical use in Russia for stroke recovery, cognitive impairment and optic nerve conditions, and which supports the BDNF and NGF mechanism. Extending that evidence to Adamax requires assuming the analog behaves like the parent, and no published work confirms that assumption. Everything circulating about Adamax's potency relative to Semax is vendor claim and user report, not measurement. The honest position is that this is an uncharacterized research compound whose parent has real but largely non-Western evidence behind it. If you want the compound with actual literature, that compound is Semax.

Frequently Asked Questions: Selank vs Adamax

What is the difference between Selank and Adamax?

Selank is a cognitive peptide that selank is a synthetic seven-amino-acid peptide (thr-lys-pro-arg-pro-gly-pro) built from the natural immune peptide tuftsin, with a small chemical tweak to make it last longer in the body. it was developed in russia as an anti-anxiety and nootropic agent and is approved there for generalized anxiety disorder, but it has no fda or ema approval and almost no western clinical data. the pitch is calm and focus without the sedation, dependence, or withdrawal that come with benzodiazepines. Adamax is a cognitive peptide that adamax is sold widely as an enhanced semax derivative, and it is one of the clearest examples of a compound where availability has run far ahead of information. vendors list it, forums discuss it, and there is essentially no peer-reviewed literature under this name. this page tells you what is actually known, what is inferred from its parent compound, and where the honest gaps are, because pretending otherwise would not help you. The main differences lie in their mechanisms of action and clinical applications.

Which is better, Selank or Adamax?

Neither is universally "better" - the choice depends on your specific goals. Selank is typically used for cognitive purposes, while Adamax is used for cognitive. Always consult with a healthcare provider to determine which may be appropriate for your situation.

Can Selank and Adamax be used together?

Some peptide protocols combine multiple compounds for synergistic effects. However, using Selank and Adamax together should only be considered under medical supervision, as both compounds have their own side effect profiles and potential interactions. Research on their combined use may be limited.

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