Dihexa vs Selank
Updated July 21, 2026 · Reviewed by the PeptidesDB Editorial team
A data-driven comparison of Dihexa and Selank (also searched as Selank vs Dihexa) — effect profiles, evidence, side effects, and which suits weight loss, muscle, or healing goals.
Verdict
Dihexa centers on healing, while Selank leans toward neuro. On indexed research, Dihexa is ahead (Dihexa: 4 studies, Human evidence; Selank: 4, Human evidence). Choose by goal — and read the primary studies. This is research information, not medical advice.
Key takeaways
- •Dihexa is strongest for healing; Selank for neuro.
- •Evidence: Dihexa Human evidence (4 studies) vs Selank Human evidence (4).
- •Both are research-use compounds — not FDA-approved.
Effect profiles, overlaid
At a glance
Dihexa vs Selank: side-by-side
| Metric | Dihexa | Selank |
|---|---|---|
| Class | Cognitive | Cognitive |
| Regulatory status | Research use only | Research use only |
| Evidence grade | Human evidence | Human evidence |
| Studies indexed | 4 | 4 |
| Research level | Emerging | Well Studied |
| Strongest effect | Healing & recovery | Neuro & mood |
| Healing & recovery | 1.7▲ | 1.0 |
| Muscle & body comp | 1.7▲ | 0.0 |
| Metabolic & appetite | 0.0 | 0.0 |
| Neuro & mood | 0.0 | 4.0▲ |
| Sleep & circadian | 0.0 | 2.0▲ |
| Inflammation & immune | 1.7▲ | 1.0 |
| Skin & aesthetics | 0.0 | 0.0 |
▲ marks the higher community effect score (0–5 perceived-effect signal, not clinical efficacy).
Mechanism & pharmacokinetics
| Property | Dihexa | Selank |
|---|---|---|
| Mechanism | — | Anxiolytic heptapeptide (Tuftsin analog) |
| Route | — | Intranasal / subcutaneous (research use) |
Established pharmacology — curated for well-characterized compounds and AI-summarized otherwise. A blank (—) means no reliable single value is published (half-life figures for some peptides genuinely disagree across sources). Verify against primary sources such as FDA labels and ClinicalTrials.gov.
What is Dihexa?
Experimental nootropic peptide investigated for neuroprotection, memory, and stroke/spinal-cord recovery.
Full Dihexa profile, mechanism & studies →What is Selank?
### Selank Summary Selank is a synthetic peptide derived from the naturally occurring peptide tuftsin, primarily studied for its potential anxiolytic and cognitive-enhancing properties. Research into Selank has focused on its effects on neuroprotection, stress response, and cognitive function, although further studies are needed to fully understand its mechanisms and therapeutic applications.
Full Selank profile, mechanism & studies →Which is better for your goal?
| Goal | Better fit | Why |
|---|---|---|
| Healing | Dihexa | 1.7/5 effect signal |
| Muscle | Dihexa | 1.7/5 effect signal |
| Neuro | Selank | 4.0/5 effect signal |
| Sleep | Selank | 2.0/5 effect signal |
| Inflammation | Dihexa | 1.7/5 effect signal |
Fit reflects community-perceived effect profiles — not head-to-head trials. Read each peptide's studies before deciding.
Can you stack Dihexa and Selank?
People sometimes combine peptides that target different pathways, but there is little controlled research on this specific pairing and the interactions aren't well characterized. Because neither compound is FDA-approved, we don't publish stacking or dosing protocols here. Any combination should be discussed with a qualified clinician.
Dihexa vs Selank: side effects
No community-reported effects logged yet.
No community-reported effects logged yet.
Anonymous community reports (count = number of reports), not clinical incidence rates.
What the research says
Dihexa has 4 approved studies indexed (Human evidence), and Selank has 4 (Human evidence). The Librarian re-checks PubMed, Europe PMC and ClinicalTrials daily, so these counts move. Open each profile to read the summaries and sources.
Frequently asked questions
Is Dihexa or Selank better?
It depends on your goal. Dihexa is strongest for healing; Selank for neuro. Dihexa has more indexed studies (4). See the goal-by-goal breakdown above.
Is Dihexa or Selank better for muscle?
Dihexa leads on the muscle & body-composition axis (1.7/5).
Which has more research, Dihexa or Selank?
Dihexa has 4 approved studies indexed (Human evidence); Selank has 4 (Human evidence). Higher counts mean more to read, not proven superiority.
Can you stack Dihexa and Selank?
Some users combine peptides, but there's little controlled data on this specific pairing, and interactions aren't well characterized. We don't publish stacking protocols for compounds that aren't FDA-approved. Discuss any combination with a qualified clinician.
What are the side effects of Dihexa vs Selank?
Dihexa: no community-reported effects logged yet. Selank: none logged yet. These are anonymous reports, not incidence rates — see each profile.
Is Dihexa or Selank FDA-approved?
Dihexa is a research-use compound and is not FDA-approved. Selank is not FDA-approved. Research-use status is not a legal clearance to compound or use in humans.
Is Selank better than Dihexa?
For neuro, Selank has the edge; for healing, Dihexa does. Neither is universally "better" — it's goal-dependent, and both should be weighed against their evidence base above.
Comparing related peptides
Regulatory & legal status
Dihexa and Selank are research-use compounds and are not FDA-approved for human use. FDA approval and compounding rules for peptides change frequently, and research-use status is not a legal clearance for human use. The FDA does not review compounded drugs for safety, effectiveness, or quality. Verify current status with primary sources before acting. Last reviewed July 21, 2026.