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Made substantial contributions to conception and design of the study: Zhang, X

Bioavailability Varies by compound many peptides are largely broken down in the gut, so little reaches the blood intact

It plays a vital role in: Neutralizing free radicals Supporting liver detoxification Strengthening immune function Regulating melanin production In aesthetic medicine, glutathione is valued for its ability to reduce excess melanin, which contributes to pigmentation, uneven tone, and dullness

last update May 24, 2011)

Approximately half of all patients who begin taking these drugs discontinue their use within the first year, however, and three-quarters have stopped after two years