glutathione reductase uses nadph to reduce gssg to gsh Application Glutathione reductase - Wikipedia
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doi:10.1016/j.mcna.2022.10.004
A review on electrochemical sensors and biosensors used in assessing antioxidant activity

This misunderstanding is not only from the patients standpoint, but also the doctors
The most direct human safety study involved only 2 healthy participants, which is far too small to rule out uncommon side effects, long-term risks, injection-related complications, or product-quality concerns
