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On rest days - a portion in the morning
Comprising SLC7A11 and SLC3A2, system xc - functions as a cystine/glutamate antiporter that brings extracellular cystine into cells while exporting intracellular glutamate (188, 191)
It is a normal and necessary physiological response for repair
Long-term decrease in total glutathione Glutathione requirements The exact glutathione requirement in addition to diet and endogenous synthesis is not precisely known and depends on many factors (intake, synthesis, individual situation)
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