1500mg glutathione reconstitution – High-Purity Research Antioxidant Glutathione (1500 MG) - Sigma

Together, they allow for broader experimental observation

Bioavailability studies show significantly higher relative bioavailability compared with regular GSH, with a longer time to peak plasma concentration and a longer duration of action

Although both theories are plausible no direct evidence for either has been demonstrated

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Rather than starting at 500mcg, consider beginning at 200-250mcg for the first week