PE-22-28 is a research compound. It is not approved by the FDA or any regulatory body for human use. This article is for educational and informational purposes only. Nothing here constitutes medical advice. Consult a qualified physician before considering any peptide use.
The half-life of PE-22-28 is 14-23 hours in rodents. This means dosing once daily is typical to maintain stable levels. The half-life directly affects how long PE-22-28 remains active and influences optimal injection timing.
What Is the Half-Life of PE-22-28?
The half-life of PE-22-28 is 14-23 hours in rodents. This is the time it takes for blood concentration to drop by 50% after administration.
Understanding half-life is essential for designing effective dosing protocols — it determines how often you need to administer PE-22-28 to maintain therapeutic blood levels.
What Does PE-22-28's Half-Life Mean for Dosing?
With a half-life of 14-23 hours in rodents, PE-22-28 requires dosing once daily to maintain stable levels. The standard dosage of 100-500 mcg daily via subcutaneous injection (proposed) accounts for this pharmacokinetic profile.
After approximately 4-5 half-lives, PE-22-28 reaches steady-state concentration — the point where the amount being absorbed equals the amount being eliminated. For PE-22-28, this occurs within the first few days of consistent dosing.
When Is the Best Time to Inject PE-22-28?
Optimal timing depends on your research goals. A half-life of 14-23 hours in rodents means peak blood levels occur shortly after injection and decline predictably.
Common timing approaches: morning injection for daytime activity, pre-bed injection for overnight effects, or split dosing (once daily) for more stable levels throughout the day.
How Does PE-22-28's Half-Life Compare to Similar Peptides?
PE-22-28 is a Ion channel inhibitor peptide. Its half-life of 14-23 hours in rodents positions it with a shorter duration of action compared to some alternatives in this class.
Shorter half-lives require more frequent dosing but allow for more precise control. Longer half-lives are more convenient but carry risk of accumulation.
Calculate Your PE-22-28 Dose
Use our free peptide dosing calculator to get exact reconstitution math and syringe units for PE-22-28.
Open Calculator →Bottom Line: PE-22-28 Half-Life and Dosing
PE-22-28 has a half-life of 14-23 hours in rodents, supporting the standard protocol of 100-500 mcg daily dosed once daily over 4-8 weeks.
Read our PE-22-28 dosage guide for complete protocol details.
Complete Guide
PE-22-28 : Benefits, Dosage, Side Effects & Research
Related Reading
- PE-22-28 Dosage Guide
- PE-22-28 Benefits
- PE-22-28 Side Effects
- PE-22-28 Stacking Guide
- PE-22-28 Cycle Guide
- PE-22-28 Research
Research-Grade Sourcing
If you're going to research PE-22-28, source matters. These are the suppliers WolveStack has vetted for purity and third-party testing.
Frequently Asked Questions
What is PE-22-28?
PE-22-28 (PE-22-28 (spadin analog, TREK-1 inhibitor)) is a Ion channel inhibitor peptide. Synthetic shortened analog of spadin with enhanced TREK-1 potassium channel specificity and brain stability. It is researched for rapid antidepressant effects (4 days vs 4-6 weeks for SSRIs), hippocampal neurogenesis, enhanced synaptogenesis.
What is the recommended PE-22-28 dosage?
Common dosages: 100-500 mcg daily administered once daily via subcutaneous injection (proposed). Cycle length: 4-8 weeks. Half-life: 14-23 hours in rodents. Use our peptide calculator for exact reconstitution math.
What are the side effects of PE-22-28?
Minimal toxicity in animal models. Potential hypertension from enhanced monoamine activity. Human safety unknown. GABAergic disruption possible.
Is PE-22-28 safe?
PE-22-28 has shown a preliminary safety profile in research. Not FDA-approved. Investigational research peptide only. All research should follow appropriate safety protocols.