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Depending on the molecule, they can act like hormones, neurotransmitters, growth factors, or immune modulators

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Furthermore, researchers suggest that AHK-Cu may potentially enhance the proliferation of skin cells and increase the production of collagen, elastin, and hyaluronic acid, which are essential components for maintaining healthy and youthful skin[1]

Progressive overload, sufficient protein intake and proper recovery remain the most evidence-backed and safest strategies for muscle growth

If peptides become part of your journey, they should complement a solid base not replace it