Solgar Vitamin B12 as Methylcobalamin 1000 iu is the "body ready", or active form of this vitamin. This means that it does not require further processing in the body to become metabolically active. Some studies have suggested this form of B12 is retained longer in the body. B12 is important for energy, a healthy nervous system, immune system, healthy blood cells and cardiovascular health. Sourced from a bacterial fermentation, which means they are a vegan and vegetarian friendly form of vitamin B12. Each chewable, sublingual nugget has a great natural cherry flavour. 30 nuggets per bottle.