Semax + Selank
What is Semax + Selank?
Semax + Selank: Intranasal combination of Semax (ACTH(4-7)-PGP analogue, BDNF-raising stimulating nootropic) and Selank (tuftsin analogue, GABA-modulating anxiolytic). The sources cited here most often discuss it for: Focus and calm, anecdotal; See Semax; See Selank. Evidence label: Unstudied.
- Type
- Blend
- Family
- Mind & Mood
- Evidence label
- Unstudied (1 of 5)
- Regulatory status
- Neither Semax nor Selank is FDA-approved; Dr. Axe's A-Z guide lists both as research only.
- Goals discussed
- Focus & Cognition, Calm & Mood
- Also called
- Semax and Selank nasal spray
- Last reviewed
- 2026-10-11
- Intranasal combination of Semax (ACTH(4-7)-PGP analogue, BDNF-raising stimulating nootropic) and Selank (tuftsin analogue, GABA-modulating anxiolytic); intent is 'calm focus'; no studies of the combination exist; neither component is FDA-approved.12
A user-assembled pairing of two separate Russian peptides, Semax (ACTH-derived) and Selank (tuftsin-derived); no study has tested them together.
Regulatory status Neither Semax nor Selank is FDA-approved; Dr. Axe's A-Z guide lists both as research only. 3
At first, it worked really well for me.I was able to stay focused and get a lot of work done for 3/4 hours at a time.
Forum post after about two months of combined intranasal use; the same user later reported headaches and unusual irritability.
What is Semax + Selank researched for?
The three outcomes most discussed for Semax + Selank in the sources below, as those sources report them. humanpeptides.fyi makes no claims of its own: a listed benefit can be unproven or can have failed in trials, and the label on each line says which.
See Semax
What do researchers and users say about Semax + Selank?
Tried both in the nose. Felt nothing. Total waste of time and money.
Forum reply about intranasal Semax and Selank; other replies describe subtle benefits or mild drowsiness.
FDA lacks important information regarding any safety issues raised by selank acetate administered to humans.
FDA safety summary for the Selank component; FDA wrote a similar note for Semax.
What side effects of Semax + Selank are reported?
- Headaches, irritability, overstimulation, nasal irritation with higher/repeated dosesanecdotal8
- FDA cites inadequate human safety data for Semax11
- FDA flags possible immunogenicity from aggregation and impurities for compounded forms of both components, and lacks human safety data for each.FDA assessment10
- Drowsiness from the Selank component reported by some users.anecdotal9
What do peptide guides say about Semax + Selank?
- PepEdHub PepEdHub's Selank profile says Selank is often combined with Semax, framed as pairing mood support with cognitive support. 12
- Seek Peptides Seek Peptides lists Semax for focus and Selank for anxiety, and notes both are available as nasal sprays. 13
- Dr. Axe Dr. Axe's A-Z guide places both Selank and Semax among research-only peptides, alongside BPC-157 and TB-500. 3
What does the research say, system by system?
How strong is the evidence for Semax + Selank?
Blend itself anecdotal only; components have small Russian human studies + animal data
No direct studies of this product or blend. Anecdote and component data only. How tiers work
Questions about Semax + Selank
What is Semax + Selank?
Intranasal combination of Semax (ACTH(4-7)-PGP analogue, BDNF-raising stimulating nootropic) and Selank (tuftsin analogue, GABA-modulating anxiolytic). A user-assembled pairing of two separate Russian peptides, Semax (ACTH-derived) and Selank (tuftsin-derived); no study has tested them together.
Is Semax + Selank FDA-approved?
Neither Semax nor Selank is FDA-approved; Dr. Axe's A-Z guide lists both as research only.
What is Semax + Selank researched for?
The sources cited on this page most often discuss three outcomes: Focus and calm, anecdotal; See Semax; See Selank. Each line above shows what the source reports and how strong that evidence is.
What side effects of Semax + Selank are reported?
Reported in the cited sources: Headaches, irritability, overstimulation, nasal irritation with higher/repeated doses; FDA cites inadequate human safety data for Semax; FDA flags possible immunogenicity from aggregation and impurities for compounded forms of both components, and lacks human safety data for each. The list is not complete, and few listed risks does not mean a compound is safe.
How strong is the evidence for Semax + Selank?
Evidence label: Unstudied. Blend itself anecdotal only; components have small Russian human studies + animal data.
What else is Semax + Selank called?
Names used for it include Semax and Selank nasal spray.
Does humanpeptides.fyi recommend Semax + Selank?
No. humanpeptides.fyi makes no claims and no recommendations of its own. It summarizes and links to what others have published and posted. Nothing here is medical advice; talk to a licensed clinician.