Glutathione cream is a topical product that is applied to the skin
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Consumers should therefore treat marketing claims with appropriate caution
Foods naturally rich in glutathione Some foods contain high levels of glutathione and can provide it directly, but the compound is not absorbed well through the gastrointestinal tract, because digestive enzymes break it down into amino acids
Sourcing from reputable suppliers who provide Certificates of Analysis with HPLC-MS purity data and endotoxin testing reduces contamination risks