Nootropic Research Market 🔥 Trending

Dihexa

A high-curiosity neurotrophic research peptide discussed for cognition and synaptogenesis, but still lacking real clinical development.

NootropicNeurotrophicResearch MarketCognition

Also referenced as: PNB-0408, Dihexa acetate

Also appears in: Other

Price compare
5 tracked offers across 5 vendors · 5 dosages
Best trust-adjusted value: Elite Research USA · Strong trust · $20.00/mg
From
$4.34/mg
Status
Research Market

This name primarily lives in the research market and should not be read like an approved pharmaceutical product.

Category
Nootropic

Primary lane: Nootropic. Also surfaces under Other for browsing and discovery.

Aliases
2

PNB-0408, Dihexa acetate

Signal depth
Low

No FDA label signal · 0 trials · 17 PubMed results

Preclinical
Research evidence

Current evidence for Dihexa is limited to laboratory or animal studies — there are no name-matched human trials with reported results. Any claims about effects in people are not yet backed by clinical data.

Dihexa has no clinical trials that name it and 17 PubMed-indexed publications and is not FDA-approved. Current evidence is preclinical or mechanistic. Note: 1 retracted publication in the literature.

⚠ 1 retracted publication
Human data
Lab / animal only
Trial quality
No human trials
Outcomes
No human trials
Replication
Multiple papers
Literature
Emerging
Brain Sciences · 15 citations AngIV-Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP/PS1 Mouse via the PI3K/AKT Signaling Pathway Annals of Medicine and Surgery · 2 citations Stem cell, Granulocyte-Colony Stimulating Factor and/or Dihexa to promote limb function recovery in a rat sciatic nerve damage-repair model: Experimental animal studies Sax's Dangerous Properties of Industrial Materials Phorbol‐12,13‐Dihexa(Δ‐2,4)‐Dienoate 24928‐17‐4 Journal Article Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions. Journal Article Effects of an Angiotensin IV Analog on 3-Nitropropionic Acid-Induced Huntington's Disease-Like Symptoms in Rats. Journal Article Efficiently generate functional hepatic cells from human pluripotent stem cells by complete small-molecule strategy.
Evidence history

Re-checked nightly against the registries — tracked since 2026-07-09. No band changes yet.

Grades evidence strength, not efficacy or safety. Research-use context; not medical advice. Graded 2026-07-13 from PubMed, ClinicalTrials.gov, ISRCTN, openFDA, Health Canada, and OpenAlex — computed deterministically and refreshed nightly, with a retraction check. How we grade →

What dihexa is

Dihexa is a research-market neurotrophic peptide analog best known for high-curiosity discussions around cognition, synaptogenesis, and experimental brain-related applications.

Why it matters

It is one of the more recognizable nootropic-adjacent peptide names that still lacks real clinical maturity. That gap between online attention and formal evidence is exactly why it belongs in the library.

Regulatory context

Dihexa is not FDA approved. It is best understood as a research-market compound rather than an established therapeutic peptide.

Practical reading note

Dihexa is a good example of why “popular in peptide circles” and “clinically established” are not remotely the same thing.