Nature’s Bounty Vitamin B-12 1000mcg mcg is a dietary supplement designed to support energy metabolism, cardiovascular health, and nervous system function. It is particularly beneficial for individuals with dietary restrictions, such as vegetarians, or those at risk of Vitamin B-12 deficiency. Vitamin B-12 aids in converting food into cellular energy, helping to reduce fatigue and support overall vitality. It contributes to the health of the cardiovascular and circulatory systems. Essential for maintaining healthy nerve cells and supporting neurological function.