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Peptides & Biologics Community

Two related peptides, often used as nasal sprays, that were developed in Russia. Studied for their potential effects on focus, memory, and calm, and not approved by the FDA.

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Semax & Selank discussions

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Community post · Nov 4, 2026

Does Semax nasal spray really help with focus and brain fog?

Semax remains largely unproven for focus and brain fog, despite one 44-year-old user's report of feeling sharper. Bloomberg reports on people trying these substances at home for clearer thinking. For the [Semax & Selank](/health-practices/

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