NA-Selank (N-Acetyl Selank).
Modified Selank with better absorption and longer effects. An acetylated version of the Selank peptide, used for a calmer, steadier headspace under pressure without the drowsiness a sedative brings.
Reviewed March 2026
- Category
- Peptide
- Also filed under
- Enhanced anxiety reliefBetter stabilityLonger duration
What NA-Selank (N-Acetyl Selank) is, and what it does.
- Does it work
- Russian studies. Not FDA approved. Research chemical.
- How much to take
- Start with 200mcg to 400mcg a day, the daily maintenance band. The 800mcg figure comes from studies, which is a research condition rather than a daily target.
- Time to feel it
- Reports put the settling effect at 30 to 60 minutes after a dose. Whether anything builds beyond that over weeks has not been mapped in published human work.
- The first dose
- Reports put a settling, slightly clearer feeling at 30 to 60 minutes after a dose, with nothing dramatic. That is user description rather than measured data.
- With regular use
- Nobody has measured what months of daily use do. The published work is short, small and mostly Russian, so steady long-run use is an open question.
- How well tolerated
- Not approved. Research use only. Source quality varies.
- How it feels
- People describe a quiet steadiness with the edge taken off and focus still intact. It is self-report rather than a measured outcome, so hold it loosely.
- The overlooked benefit
- The acetyl group on the front of the molecule slows enzyme breakdown, which is the whole reason a smaller amount is used than with plain Selank.
200 to 400mcg a day is where NA-Selank (N-Acetyl Selank) works.
Source: Seredenin et al., Bull Exp Biol Med, 2006; Russian pharmaceutical research
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
- Calm without sedationAnimal study
- Everyday stress responseNarrative review
- Attention and mental clarityAnimal study
- Brain-derived neurotrophic factor signallingAnimal study
Questions people ask about NA-Selank (N-Acetyl Selank).
- When should I take it?
- Timing matters less than consistency. Pick a time that works for you and take it daily.
- Can I take it with other supplements?
- Usually fine. The main thing to watch is not doubling up on the same ingredient from different products. If you're on prescription meds, check with your pharmacist first.
- Any side effects to watch for?
- Most people tolerate it well at recommended doses. GI upset is the most common complaint with any supplement. Start with a lower dose and work up. If something feels off, stop and reassess.
- Who benefits most from this?
- Honestly, most people would benefit more from the basics. But if you've got a specific reason to try it, the risk is generally low.
No pairing data for NA-Selank (N-Acetyl Selank) yet.
Nothing on file for NA-Selank (N-Acetyl Selank), either from a combination trial or from settled biochemistry. When either lands, it appears here with its source.
Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.
No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.
Research strength. Research strength says how much work stands behind the combination. It is never a product score.
Independent record. Every finding is cited to a named trial, dated, and never written by the brand.
21 pairings are live across the library today. Checked 9 August 2026.
Nothing specific on file for NA-Selank (N-Acetyl Selank). Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.Getting NA-Selank (N-Acetyl Selank) from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.