PE-22-28
Rapid-acting antidepressant peptide. Inhibits TREK-1 potassium channels, boosting neuronal excitability and triggering fast BDNF upregulation. Mouse studies show antidepressant effects within days.
Key Facts
- ClassificationPeptide — Fast-acting antidepressant and cognitive enhancer. Blocks TREK-1 channels.
- Primary BenefitsBrain & Cognition (8/10) · Mood & Anxiety (7/10)
- AdministrationIntranasal, Injection
- Typical Dose200-500 mcg as a nasal spray or subq daily. Cycle 4 weeks on, then take a break.
- Evidence StrengthAnecdotal — 21 peer-reviewed studies referenced · Community sentiment 9/10
- Stacks Well WithSemax, Selank
- Legal StatusResearch Use Only · not prescribable in US
Quick Facts
- From price
- $45
- Type
- peptide
- Administration
- Intranasal, Injection
- Evidence
- anecdotal
- Studies referenced
- 21
- Community sentiment
- 9/10
- Stacks with
- 2 peptides
- Regulatory
- Research Use Only
Top benefits
Dosing
200-500 mcg as a nasal spray or subq daily. Cycle 4 weeks on, then take a break.
Benefit Profile
| Vendor | Variant | Price | |
|---|---|---|---|
| Limitless Biotech | Nasal 5mg | $49.99 | Code: PSTACK10Buy |
| Skye Peptides | 5mg | $44.99BEST |
Stacks Well With
Semax
Brain-boosting peptide that increases BDNF by ~1.4x at the protein level and up to 3x at mRNA level in animal studies. Promotes neurogenesis, improves cerebral blood flow. Used clinically in Russia for stroke recovery and cognitive decline.
Selank
Russian anxiolytic peptide working on GABA, serotonin, and enkephalin systems. Eases anxiety without sedation or dependence risk. Also boosts immunity. Decades of clinical use.
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