As mentioned by this 2015 review, vitamin B12 can mostly be found in animal products, such as meat and dairy
The body already produces and processes this peptide naturally
Nitric Oxide Synthase (NOS-1) Coclustered With Agrin-Induced AChR-Specializations on Cultured Skeletal Myotubes
NA-AION, recognized as the most common form of ischemic optic neuropathy and the second most frequent optic neuropathy after glaucoma, carries an estimated annual incidence of 10.3 per 100,000, typically affecting individuals around the age of 72 [522,523]
Because of its high pH, negative oxidation reduction potential, and most importantly dissolved hydrogen content, one review also noted that the Japanese government recognized the health benefits of alkaline water in improving hyperacidity, indigestion, and chronic diarrhea, leading to the approval of household devices that generate alkaline reduced water as early as 1966