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Comparison

PE-22-28 vs Selank

TREK-1 antidepressant peptide vs anxiolytic heptapeptide.

PE-22-28 vs Selank — side-by-side
AttributePE-22-28
Spadin analog
Selank
Tuftsin analog
CategoryBrain & Cognitive SupportBrain & Cognitive Support
Best known forTREK-1 potassium channel antidepressant researchAnxiolytic without sedation research
In plain EnglishIt blocks a brain potassium channel involved in mood regulation, aiming for fast-acting antidepressant effects.Selank is the chill peptide. Researchers study how it provides anti-anxiety effects without the sedation or dependence of benzodiazepines.
How it worksSelectively inhibits the TREK-1 two-pore potassium channel, enhancing serotonergic transmission in mood-relevant circuits.Modulates GABA, serotonin, and BDNF; inhibits enkephalinase to increase enkephalin activity.
Researchers studyDepression, anxiety, and stress-resilience models.Generalized anxiety, stress response, and immune modulation.
Internet discussionDiscussed in advanced nootropic and mood research circles.The anti-anxiety peptide of choice on nootropic forums.

PE-22-28

Spadin analog
Brain & Cognitive Support
Best known for

TREK-1 potassium channel antidepressant research

In plain English

It blocks a brain potassium channel involved in mood regulation, aiming for fast-acting antidepressant effects.

How it works

Selectively inhibits the TREK-1 two-pore potassium channel, enhancing serotonergic transmission in mood-relevant circuits.

What researchers study

Depression, anxiety, and stress-resilience models.

Internet discussion

Discussed in advanced nootropic and mood research circles.

Quick summary

PE-22-28 is a spadin-derived TREK-1 blocker researched as a fast-acting antidepressant peptide.

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Selank

Tuftsin analog
Brain & Cognitive Support
Best known for

Anxiolytic without sedation research

In plain English

Selank is the chill peptide. Researchers study how it provides anti-anxiety effects without the sedation or dependence of benzodiazepines.

How it works

Modulates GABA, serotonin, and BDNF; inhibits enkephalinase to increase enkephalin activity.

What researchers study

Generalized anxiety, stress response, and immune modulation.

Internet discussion

The anti-anxiety peptide of choice on nootropic forums.

Quick summary

Selank is an anxiolytic nootropic peptide researched for stress reduction without sedation.

View full entry →

PE-22-28 vs Selank — common questions

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