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When tissue injury occurs, plasma GHK-Cu concentrations rise dramatically, activating a cascade of repair processes that include fibroblast recruitment, collagen synthesis, and angiogenesis
Research shows that 600mg NAC twice daily raises blood glutathione levels by 30-35% within just two weeks
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Similarly, although hepatic dysfunction can occur with large niacin doses (1-3 grams daily over months) causing elevated liver enzymes or jaundice, niacinamide at 100 mg is very unlikely to have any adverse effect on the liver
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