Its not that you dont need NNMT
Bloodbrain barrier perturbations by uremic toxins: key contributors in chronic kidney disease-induced neurological disorders
The absorption and efficacy of glutathione supplements depend on several factors, including whether they are taken on an empty stomach or with food, the influence of other supplements or medications, individual differences in metabolism and bioavailability, and the role of glutathione precursors
Multiple glutathione disulfide removal pathways mediate cytosolic redox homeostasis
This goes to show that maintaining a healthy weight can positively impact IGF-1 levels, potentially improving overall metabolic health while aiding in muscle growth and recovery: This study aimed to characterize the association between serum insulin-like growth factor-1 (IGF-1) and obesity, as well as fat distribution, before and during moderate energy restriction (1,200 kcal/d)