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FDA's own scientists recommended against it, citing inadequate physicochemical characterization, immunogenicity risk from aggregation and peptide-related impurities, and insufficient evidence of effectiveness
2,3 Image Credit: TalyaAL / Shutterstock.com Effects on blood flow and exercise performance Beetroot-derived nitrate enhances blood flow and exercise performance by increasing NO levels, a vasodilator that increases perfusion at rest and during exercise
GHK-Cu doesn't directly block DHT (that's finasteride's job), but there's evidence it downregulates androgen receptor expression in follicular cells, potentially blunting the follicle's sensitivity to DHT
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Peptides serve as signaling molecules in the body, acting as hormones, neurotransmitters, immune messengers, and regulators of tissue repair
