It is a synthetic or man-made form of vitamin B12 that is available as both a prescription and over-the-counter (OTC) medication
PubMed Stier, H., Amann, S., & Baumuller, M
Census Bureau QuickFacts: United States CDC, September 2024: Adult Obesity Prevalence Maps | Obesity | CDC Mosca, L., Barrett-Connor, E
This increases the activity of sirtuins (SIRT1) and PARPs, which are essential for DNA repair and longevity
If it is, it is likely to become available first to those who need it most and will be subject to strict eligibility criteria
While not toxic, excessively high doses are usually unnecessary