Adamax Dosage, half-life & reference guide

A modified Semax, built to last longer and get into the brain more easily: an acetyl group at one end of the chain and an adamantane group at the other. No study has tested Adamax itself, and its creator says it was developed without research of any kind, so what is known is borrowed from Semax, which raises BDNF and nerve growth factor in rats and is used in Russia for stroke recovery.

How often
Daily
Half-life
Unknown
Evidence
●●● Emerging
Routes
Nasal spray or drops, SubQ

No study has tested Adamax at any dose: the amounts people run are their own protocol, not a reference.

How it works.

A modified Semax, the seven-amino-acid nootropic derived from ACTH, with an acetyl group added at the start of its chain and an adamantane group at the end. Adamantane is a bulky, fat-soluble carbon cage, there to make the peptide more stable and fat-soluble, so it lasts longer and gets into the brain more easily. The rest is borrowed from Semax, which in rats raises BDNF and NGF and is used in Russia for stroke recovery. No study has tested Adamax itself, so all of this is its design and its parent's data.

Commonly reported: Focus, alertness or motivation within hours for some, a clearer response after several days for others, and little or nothing for some; headaches, irritability and sleep changes are the usual complaints.

Week by week.

What to expect in the first 8 weeks

Onset
Hours (commonly reported)
Peak effect
Several days (commonly reported)
Duration
Not established (no study)
  1. Day 1–3Community

    Some feel it within hours

    Commonly reported: focus, alertness or motivation within hours of a dose for some users, and nothing much yet for others. A line on how you feel each day gives you an honest read to compare against later.

    Updated Oct 2026

  2. Day 3–14Community

    A clearer read after several days

    Commonly reported: for some the response turns clearer and steadier after several days, and some notice little or nothing at all. Headaches, irritability and sleep changes are the usual complaints.

    Updated Oct 2026

  3. Any dayCommunity

    What Adamax is built on

    A Semax with two additions: an acetyl group at one end and an adamantane group at the other, built to last longer and reach the brain more easily. No study has tested Adamax, in animals or people, and its creator says it was developed without research of any kind; what is known comes from Semax and from users.

    The science

    Semax, its parent, is a seven-amino-acid peptide derived from ACTH and used in Russia for stroke recovery; in rats it raises BDNF (Dolotov 2006) and NGF (Agapova 2007). Reference sites describe Adamax's adamantane group as borrowed from P21, whose design carries an adamantylated glycine (Li 2010). The creator's account is quoted by Jay Campbell (2026). Adamax's half-life, brain levels and safety have never been measured.

    Sources
    • Dolotov et al. (2006)
    • Agapova et al. (2007)
    • Li et al. (2010)
    • Campbell (creator quote) (2026)

    Updated Oct 2026

  4. With SelankCommunity

    Drive, with Selank for calm

    Commonly reported: Adamax is paired with Selank the way Semax is, Adamax for focus and drive and Selank for calm. No study has tested the pair.

    The science

    The pairing copies Semax + Selank: in rat studies Semax raises BDNF (Dolotov 2006) and Selank changes GABA-A receptor gene expression (Volkova 2016). Nothing has been measured for Adamax.

    Sources
    • Dolotov et al. (2006)
    • Volkova et al. (2016)

    Updated Oct 2026

Day 1 is the day you start it.

No published study of Adamax exists. Timelines are what users commonly report; the mechanism is its design and its parent Semax's research.

Preliminary research

A typical run.

Run notes

Routes
Nasal spray or drops, SubQ injection
Stacks
Selank

Safety.

Common side effects

  • Headache
  • Irritability
  • Sleep changes
  • Nasal irritation (nasal use)
  • Injection-site reactions (injected)

Interactions

No interaction studies exist. In rats its parent Semax acts on serotonin and dopamine signalling, so antidepressants, stimulants and other psychiatric medicines are worth raising with your clinician.

Safety notes

No safety data exist: its creator says Adamax was developed without research of any kind, so its side effects are known only from user reports, and nothing is known about long-term use. The changes to the molecule mean Semax's own record doesn't simply carry over. Discuss with your clinician before use, particularly during pregnancy or breastfeeding.

Goes with.

Questions people ask.

What is Adamax?

A modified Semax, built to last longer and get into the brain more easily: an acetyl group at one end of the chain and an adamantane group at the other. No study has tested Adamax itself, and its creator says it was developed without research of any kind, so what is known is borrowed from Semax, which raises BDNF and nerve growth factor in rats and is used in Russia for stroke recovery.

How is Adamax dosed in research?

The library carries no reference dose for Adamax. No study has tested Adamax at any dose: the amounts people run are their own protocol, not a reference.

How long does Adamax last?

The half-life of Adamax is unknown (never measured).

What do people report on Adamax?

Commonly reported on Adamax: focus, alertness or motivation within hours for some, a clearer response after several days for others, and little or nothing for some; headaches, irritability and sleep changes are the usual complaints.

Is Adamax safe?

The research basis for Adamax is emerging: primarily preclinical / limited human data. Common side effects in the library: headache, irritability, sleep changes, nasal irritation (nasal use) and injection-site reactions (injected).

What does Adamax stack with?

Common stacks for Adamax: Selank.

Research.

The literature

Search the latest research

Reference.

Cadence

Daily

Half-life

Unknown

Unknown (never measured)

Research basis

●●● Emerging

Primarily preclinical / limited human data

PepVault for iPhone

Track Adamax in PepVault

Log every dose, with reminders on your schedule. 7 days free on the yearly plan for new subscribers.

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