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This process uses the GGT1 enzyme.[ref][ref] Enzyme reactions involving glutathione: Glutathione peroxidase (GPX1 gene, below) is an important enzyme that utilizes glutathione in antioxidant reactions, such as in neutralizing hydrogen peroxide and lipid peroxide
That specificity is backed by the strongest human evidence in this category
Proponents argue this maintains more stable tissue levels, though others find once-daily dosing equally effective with better compliance
These statements have not been evaluated by the FDA Sources:
Table of Contents: What are B-12 injections, and how do they work
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