Library / Neuro / sleep / NA-Semax
N-Acetyl Semax · often amidated
NA-Semax
Cited range
ClassACTH(4-10) analog
Typical routes in papersIntranasal
Half-life contextShort; acetyl/amidate tweaks stability
EvidenceExtension of Semax tradition; limited unique RCTs
What it is
N-Acetyl Semax (often amidated) is a tweaked Semax meant to last a bit longer and hit a bit harder as a nasal nootropic.
Benefits in plain language
What researchers and reference users usually mean when they talk about this compound. These are study themes and common claims — not a promise that it will do this in you.
- Same job as Semax: focus, mental stamina, a buffer against brain-fog days.
- Users often say this version feels “cleaner or stronger” than plain Semax — that is anecdote, not a head-to-head label.
- Still a research/traditional nasal peptide, not Adderall.
If a branded, FDA-approved product exists, that label is the only dose that is actually authorized. Research-chemical vials are a different object.
Mechanism of action
Acetylation and amidation change degradation and CNS exposure; parent Semax pathways include BDNF and monoamine modulation.
Possible side effects / caveats
Nasal irritation, headache, wired feeling if stacked with other stimulants.
Protocol ranges
| Source tier | Amount | Frequency / duration | Notes |
|---|---|---|---|
| Cited range | 200–600 mcg | 1–2× nasal | Community; start low |
| Parent | Semax page | Base analog | Read both |
Numbers below and above are literature or community pointers, not a treatment plan. Approved products, when they exist, follow the official label — not a research vial.