N-Acetyl-L-Cysteine (NAC) by Designs for Health provides 900 mg per capsule of this powerful amino acid precursor to glutathione the body's master antioxidant.* It supports healthy liver function, optimal detoxification, antioxidant status, muscle recovery, lung health, and brain function.* N-Acetyl-L-Cysteine is formulated to support healthy liver function and normal detoxification by promoting glutathione production.* Glutathione is the body's primary antioxidant for neutralizing free radicals and clearing unwanted compounds.* Individual results may vary based on diet, lifestyle, and overall health status.* Key benefits include support for normal glutathione status, healthy liver function, optimal detoxification, antioxidant status, muscle function and recovery, and brain and lung health.* These benefits stem from NAC's role as the rate-limiting precursor to the body's glutathione production.* Take one capsule per day, or as directed by your healthcare practitioner

Why You'll Love It: GHK-Cu aids in maintaining skin's vibrant healthy appearance by restoring collagen and elastin which declines with age
That means any claim of additive or synergistic benefit is mostly inferential
Its highest concentrations are in: raw or very rare meat unpasteurized milk and other unpasteurized dairy products freshly-picked fruits and vegetables, such as avocado, and asparagus
Levels of 4-hydroxynonenal and malondialdehyde are increased in brain of human chronic users of methamphetamine