Vitamin B12 500 mcg Tablets, 200 Count for Metabolic Health

What the brand says

Along with other B vitamins, vitamin B12 is important for converting the food you eat into cellular energy.† Vitamin B12 is also important for proper red blood cell formation and normal function of the nervous system.† Vitamin B12 supplements may be important for vegetarians and vegans who avoid dietary sources rich in vitamin B12.†