why take nac instead of glutathione Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Glutathione biosynthetic scheme. N-acetyl-L-cysteine (NAC)

doi: 10.1212/WNL.0b013e3181fd62d2 47 WeeH.-Y.LimS.-W.ChioC.-C.NiuK.-C.WangC.-C.KuoJ.-R

Scientific References Metformin 500 mg film coated Tablets Summary of Product Characteristics

AMP-activated protein kinase (AMPK) plays an important role in maintaining energy balance and regulating metabolic stress

It needs steady protein, enough calories, and a diet that does not keep poking the sore spot

It is involved in protein synthesis and serves as a key nutrient for cells with high metabolic activity, including certain cells involved in normal immune and gastrointestinal function

For a deeper dive into the ingredient itself, you can also explore What Is in Glutathione