As with all vitamins, Vitamin B12 is a vital component to any healthy and active lifestyle
For weight loss, vitamin B12 may motivate you to work out and improve your bodys ability to use fat and carbohydrates for energy
doi:10.1016/j.bcp.2018.05.003 Neelakantan H, Brightwell CR, Graber TG, et al
Individuals at higher risk include older adults with reduced stomach acid production, people with gastrointestinal conditions affecting absorption, strict vegans, and those taking medications like metformin or proton pump inhibitors
It inhibits NNMT (nicotinamide N-methyltransferase), an enzyme regulating metabolism, fat storage, and NAD+ consumption.[4][27][6] NNMT methylates nicotinamide, a NAD+ breakdown product, diverting it from recycling and reducing available NAD+
The most common reported effect is a 3060-second sting from the copper-peptide complex