Gnc vitamin b-12 1000 mcg - cherry / 120 lozenges vitamin b-12 is essential for metabolism, energy production and red blood cells. B-12 and folic acid play an essential role in the maintenance of normal homocysteine levels important for cardiovascular health. Essential for carbohydrate metabolism & energy production required for red blood cell formation sugar free. Gnc vitamin b-12 1000 mcg lozenges - cherry 120 (120 servings)