Unlike with many of the other vitamins, B12 is not synthesized by the body
Vitamin B12 is a crucial vitamin that your body requires but cannot produce
B12 fortified foods, such as cereals, nondairy milk, and nutritional yeast
To date, it has become a core tool for studying NNMT in energy metabolism and advancing related research fields
The clinical trial data is specifically reassuring on this point: across six trials involving approximately 900 participants, glucose levels, insulin levels, and markers of insulin sensitivity remained unchanged from baseline
[PMID: 35815363] PubMed record related to this compound for laboratory literature review