Metabolism and Excretion Your body breaks down glutathione as needed, using its components for other cellular functions
[PMID: 30783009] PubMed record related to this compound for laboratory literature review
219 Torres-VegaA.Pliego-RiveroB
Supplementation with serine and an NAD + precursor, like tryptophan, niacin, or nicotinamide riboside (NR), along with NAC are expected to increase NAD+, glutathione, and fat oxidation in the liver, leading to lower levels of oxidative stress, resulting in lower hepatic steatosis and its progression
Reference: Forman HJ (2016)
[1] One trial did find that oral supplementation of glutathione did have an effect on increasing your body's level of glutathione, indicating that at least some of it does still get through your system to take effect