Methyl B12 is a metabolically active coenzymated source of Vitamin B12. It works in partnership with Folic Acid to provide nutritive support for normal, healthy red blood cell production and proper nerve functioning. These three important B vitamins are intended to work synergistically to provide nutritive support for healthy cardiovascular function and normal homocysteine levels. Tooth Friendly: These great-tasting lozenges contain the natural sweeteners sorbiltol and xylitol which do not promote tooth decay. No harmful sugars or artificial ingredients are added.