Here's the connection with glutathione - people with insulin resistance have been shown to have low levels of the antioxidant which suggests a potential link between this antioxidant and metabolic health
[DOI] [PMC free article] [PubMed] [Google Scholar] 18.Lang CA, Mills BJ, Lang HL, Liu MC, Usui WM, Richie JP, Jr, Mastropaolo W, Murrell SA
Serum levels of insulin-like growth factor I (IGF-I) and IGF binding protein 3 reflect spontaneous growth hormone secretion
Cells were analyzed by FACSCalibur (BD Biosciences) and 20 000 events were collected
Journal of Molecular Endocrinology, 1992
Investigation of mRNA expression and protein expression analyses of genes showed some differences between mRNA expression and protein expression levels