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In some cases, yes
The first reaction, catalyzed by gamma-glutamylcysteine synthetase, is effectively rate-limited by GSH biofeedback
Analytical methods to investigate glutathione and related compounds in biological and pathological processes
112 Three months of treatment with 200 mcg selenium daily was found to improve all sperm parameters in a group of 35 men with poor sperm number, motility, and morphology in an uncontrolled trial
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