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Glutathione, Vitamin C, Biotin, Zinc
In skin specifically, GHK-Cu has been extensively studied for its ability to increase collagen and elastin production, improve skin thickness and elasticity, reduce fine lines and wrinkles, improve skin firmness, reduce photodamage, reduce hyperpigmentation, and accelerate wound healing
Quick Comparison Summary BPC-157: 15 amino acids, derived from gastric juice, primary mechanism is growth factor signaling and angiogenesis, most studied for gut protection and connective tissue repair
2020;2020:1-18 [PubMed] 16
This hormone plays a crucial role in regulating blood sugar levels by stimulating insulin production and decreasing the amount of sugar released by the liver
Women produce testosterone in the ovaries and adrenal glands, and it plays a critical role in libido, muscle mass, bone density, energy, and cognitive function
