Spencer JP, Murphy KP (2002)
NNMT nicotinamide N-methyltransferase, Gene ID 4837 (11q23.2, 8 exons, EC 2.1.1.1)
Avoid ingestion, inhalation, and direct contact
While most individuals obtain sufficient amounts of vitamin B12 through their diet, some individuals may require supplementation due to certain health conditions or lifestyle choices that can lead to vitamin B12 deficiency
Our cells have adapted to this potential toxicity by storing cysteine in the form of glutathione (GSH) [8] , which is far more stable to oxidation
This approach follows general peptide cycling logic and is a reasonable precaution given limited long-term human data