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Clinical evidence shows copper peptides increase collagen in more users (70%) than retinoic acid (40%), suggesting superior collagen-building effects

This area of research is earlier stage than the GHK-Cu literature but is growing rapidly

Energy levels: Some patients report improved energy during a treatment course

Approved in Russia for neurological conditions

ARA290, a nonerythropoietic peptide engineered from erythropoietin, improves metabolic control and neuropathic pain in spontaneous type 2 diabetes

Rather than acting as a sedative, it is investigated as a regulatory signal within the neural circuits that govern sleep stage transitions