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Foodderived bioactive peptides (e.g., hydrophobic residues like tyrosine, proline, leucine) and synthetic agents (Selank, PT141, GHKCu) can modulate the HPA axis, gutbrain communication, and neuroinflammation, thereby reducing anxiety and improving sleep quality

Frontiers in Cellular Neuroscience, 14 , Article 148

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Athletes and active individuals appreciate how these injections boost energy levels, enhance workout recovery, and support lean-muscle maintenance

Georgala S et al

Post-treatment, cells were lysed and protein concentrations were quantified using a bicinchoninic acid (BCA) protein assay kit