N-Acetyl Selank Amidate_Dosage, benefits & legal status
Also known as NA-Selank Amidate
A longer-lasting version of Selank, with no study of its own.
Common vial size is what vendors typically sell, not a recommendation. Enter your own vial in the calculator.
What is N-Acetyl Selank Amidate?
Plain language first. The technical label stays, but it never stands alone.Overview
It is Selank built to last a bit longer, usually sold as a nasal spray.
N-Acetyl Selank Amidate is a modified version of Selank, a Russian anti-anxiety peptide. Two small changes are made to the ends of the molecule so that enzymes take longer to break it down.
What it's used for
A nasal spray taken for anxiety and calm focus, a longer-lasting version of Selank.
How does N-Acetyl Selank Amidate work?
What it does in the body, and where.This is Selank with its two ends capped. The capping is the only difference, and it is meant to buy time.
- 01Peptides get chopped up from the endsEnzymes called peptidases attack the exposed ends of a peptide first. That is usually what limits how long one lasts.
- 02An acetyl group blocks one end, an amide the otherBoth are small chemical caps. Neither changes what the peptide does, only how quickly it disappears.
- 03Lasting longer is not the same as working betterNo published study has compared this version against the original in a person, so the practical difference is unmeasured.
Where this compound is thought to act.
What else is it used for?
Each use below carries its own evidence level. Approved means regulators have cleared it for that purpose. Investigational means it is in trials. Early research means it is being studied and is not established.
- Anxiety without sedation, which is its approved use in RussiaResearch only
- Focus and mental clarity, often stacked with SemaxResearch only
The published record
0
Papers and trials about N-Acetyl Selank Amidate
Europe PMC was searched on 12 October 2026 and returned nothing.
Counted from Europe PMC indexing, not read by a person.

At a glance
Four things to know about N-Acetyl Selank Amidate
How much, and do you cycle it?
The range, and whether you take breaks.Research only, 1-2x daily. Taken in courses, usually 10 to 14 days, with breaks between Community practice
Course dosing follows the Russian clinical practice it comes from. No controlled study has compared it against continuous use.
Not establishedCommunity practice
The modified version has not been characterized at all. Even plain selank rests on Russian-language work that reports effects rather than clearance.
Not yet traced to a primary source.
You can compare this against the whole library to see where it sits.
What does it cost?
Typical dose and cost, in plain numbers.N-Acetyl Selank Amidate is not injected
It is taken nasal spray. No dose has been tested for this version. Vendor figures are carried over from Selank, and the whole point of the modification is that it behaves differently, so carrying the number across is not sound.
N-Acetyl Selank Amidate starts at $29.00 across 8 vendors, typically $4.40 – $6.75 per mg.
9 listings, last read Oct 10, 2026. Shipping and card fees are not included.
How do you store it?
Before mixing, and after.Fridge after opening. Use within about 30 days.
Store sealed N-Acetyl Selank Amidate in the fridge. Once opened, keep it upright in the fridge and plan to finish it inside roughly 30 days. Keep it out of light and do not freeze the liquid.
What are the side effects and cautions?
Known cautions and warnings for this compound.This is the sister product to N-Acetyl Semax Amidate, and vendors that stock one almost always stock the other. The two are not interchangeable: Selank is for anxiety and Semax is for alertness, and the amidate versions keep that split.
Solubility, computed: 57% charged residues, 43% hydrophobic. Water usually sufficient.
A first-pass rule from peptide manufacturers' guidance. It does not account for disulfide bridges, salt form or how the powder was dried, and it predicts what should be easy rather than what will happen in your vial.
Who should avoid it
- No formal contraindications established outside Russia
- Pregnancy
Stop and get help
- Signs of an allergic reaction
Common effects
- Mild nasal irritation, stinging, or dryness
- An occasional metallic taste
- Brief tiredness
- No sedation, dependence, or withdrawal, unlike benzodiazepines
- The list above is for Selank itself. Nothing has been published on this version.
Where this page says nothing is established, that means nobody has studied it, not that a compound is safe.
Is N-Acetyl Selank Amidate approved?
And where the numbers on this page come from.No. N-Acetyl Selank Amidate is not approved for any use, anywhere. It is sold labeled for laboratory research only, and there is no legal route to buy it for human use.
- Approval statusResearch only
- RouteNasal spray
- Checked14 August 2026
- DoseFrom community reports. No regulator or trial established this dose.
- Vial sizeFrom what vendors typically list; not a recommendation.
- SourcesNone traced yet.
What has happened recently
We have not yet written a full regulatory note for this compound. The status above is current as of the date shown.
You can compare this against the whole library, or read how to check a seller.
What else is like N-Acetyl Selank Amidate?
Others in Brain, mood and sleep, side by side.If you're weighing N-Acetyl Selank Amidate, it's worth reading Adalank, 9-ME-BC, and Noopept (Omberacetam) in the same class.
A longer-lasting version of Selank, with no study of its own.
- Dose
- Research only
- How often
- 1-2x daily
A Selank-family name whose sellers mostly do not say what is in it.
- Dose
- Research only
- How often
- No established schedule
A beta-carboline sold as a brain booster, with real lab effects on dopamine cells and no human trials at all.
- Dose
- 10 up to 20 mg per day
- How often
- Daily
A Russian memory drug sold as a supplement in the US, where selling it is unlawful.
- Dose
- 10 up to 30 mg per day (start low, increase slowly)
- How often
- 1-2x daily
Guides for this compound
- mcg vs mg: The Peptide Dosing Mistake to Avoid
Your vial says mg and your protocol says mcg. Here is the conversion and how to check it.
- Why Does My Peptide Injection Itch or Welt
Injection-site irritation, a histamine reaction, or a true allergy, and how to tell them apart.
- How to Read a Peptide COA
What the purity number does and does not tell you, and how to spot an edited report.
- How to Vet a Peptide Vendor
Independent COAs, HPLC purity, and the red flags that mean walk away.
Sources
No primary source has been traced for this compound yet. Treat everything on this page as unverified until one is. How we grade evidence
