Despite a lack of data on GSH concentrations in tissues, these authors proposed that the benefits of dietary glycine supplementation might be mediated by GSH synthesis and antioxidant capacity [36]
Two studies included both male and female animals [21, 25]
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This discrepancy may also reflect the impact of sample collection timing and catheter placement since proximity to lesion or hyperglycolytic regions may significantly alter metabolite levels/utilization [32]