Promotes energy metabolism and nervous system health. Vitamin B-12 is essential for normal formation of blood cells and contributes to the health of the nervous system. A good diet contributes to optimal health, but sometimes stress, fast food meals and eating on the run can have nutritional consequences. One way to ensure that you are getting your Daily Values for B Vitamins is to take dietary supplements.This delicious natural cherry flavored supplement makes getting your B-12 a trea. Just place a tiny microlozenge under tongue for 30 seconds before swallowing. Vitamin B-12 promotes circulatory health and healthy levels of homocysteine, while aiding in the normal development and regeneration of red blood cells. B-12 also supports energy metabolism and healthy nerve function.