Orexin-A vs Davunetide
Head-to-head comparison of Orexin-A (Hypocretin-1 (Orexin-A)) and Davunetide (Activity-Dependent Neuroprotective Protein fragment NAP (NAPVSIPQ)) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Orexin-A | Davunetide |
|---|---|---|
| Category | Cognitive Enhancement | Cognitive Enhancement |
| Full Name | Hypocretin-1 (Orexin-A) | Activity-Dependent Neuroprotective Protein fragment NAP (NAPVSIPQ) |
| Molecular Weight | 3562 Da | 796.9 Da |
| Half-Life | Minutes to <1 hour | short; minutes to low hours |
| Amino Acids | 33 | 8 |
| Typical Dose | Research-only; no validated human dose | 1-10 mg/day research range |
| Route | Intracerebroventricular/Intranasal | Intranasal |
| Purity | ≥98% | ≥98% |
| Studies Count | 42 | 40 |
| Research Status | Pre-clinical | Clinical/Pre-clinical |
Orexin-A Benefits
- ✓wakefulness
- ✓attention
- ✓memory consolidation
- ✓fatigue resistance
Davunetide Benefits
- ✓neuroprotection
- ✓microtubule support
- ✓attention support
- ✓memory preservation
Orexin-A Dosing
Research-only i.c.v. microgram/nanomolar studies|intranasal experimental use|no established human protocol
Davunetide Dosing
intranasal research dosing|1-10 mg per dose in trials/preclinical work|once or twice daily
Orexin-A Side Effects
- ⚠insomnia
- ⚠headache
- ⚠blood pressure changes
Davunetide Side Effects
- ⚠nasal irritation
- ⚠headache
- ⚠limited efficacy in late-stage trials
Research Overview
Orexin-A
Preclinical studies link orexin signaling to arousal, learning, and memory consolidation, making orexin-A a candidate for cognition-related research. It is not an approved cognitive enhancer and remains an experimental peptide.
Davunetide
Preclinical work showed davunetide can protect neurons, preserve synaptic structure, and improve performance in memory tasks. Human trials largely focused on neurodegenerative disease outcomes rather than stand-alone nootropic use, but the literature supports CNS activity.
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