Glutathione deficiencies were frequently seen in the sickest patients during the pandemic. This explains why individuals with poor diets, obesity or compromised gut health were more likely to have worse disease. #nac # Swanson Vitamins Antioxidant Support Complex with Vitamin C Glutathione Synthesis in Cancer Cells Biochemistry (Moscow) Springer Nature Link Glutathione Precursor Complex, 60 Capsules