Santos-Beneit, F., Rakeviius, V., Skeberdis, V
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In older adults, GlyNAC supplementation has been studied for effects on glutathione levels, oxidative stress, mitochondrial function, inflammation, muscle strength, and cognition.34 While the results have generated significant interest, it's not yet clear how much of the observed benefit comes from NAC itself versus the combination of NAC and glycine
Quick Answer: While glutathione is naturally occurring and generally safe, taking too muchespecially in doses exceeding 2,000mg dailymay cause digestive upset, zinc depletion, or respiratory sensitivity in some individuals
Sposato, L
Heres a quick comparison to put that into perspective