Convenient Vial Delivery System With Complete Liquid B-Complex A Dietary Supplement Vegetarian/Vegan These convenient liquid vials are perfect for an on-the-go high-potency source of B-12 energy. Quickly Delivers 10,000 mcg of Vitamin B12 Provides a Full Spectrum of B Vitamins Sugar Free, Sweetened with Xylitol No Artificial Colors or Flavors Refreshing, Natural Flavor Blend of Raspberry, Strawberry and Cherry Nutri-Dose B-12 10,000 mcg Energy Boost B Vitamins are essential components in most major metabolic reactions as they play an important role in energy production, including the metabolism of lipids, carbohydrates, and proteins. Vitamin B-12 facilitates energy production and is required for nucleic acid (DNA) synthesis, methionine synthesis from cysteine, and normal myelin synthesis in the nervous system. Along with vitamin B-6 and folic acid, adequate levels of vitamin B-12 are required to maintain healthy plasma homocysteine levels. The elderly and strict vegetarians are often at risk for Vitamin B-12 deficiency, either due to low dietary intake or decreased absorption. Nutri-Dose B-12 10,000 mcg is a convenient and palatable liquid formulation that is absorbed quickly by the body, delivering rapid, energizing nutrition.