Vitamin B-12, or cobalamin, is a nutrient you need for good health. It helps your body convert the food you eat into glucose, which gives you energy. Our body as gets old it loses the ability to absorb vitamin B-12. Vitamin B is well known for many qualities as production of elements of DNA production of red blood cells regeneration of bone marrow and the lining of the gastrointestinal and respiratory tracts the health of your nervous system, which includes your spinal cord prevention of megaloblastic anemia Many people are not aware that they have vitamin B deficiencies. Vitamin B deficiencies can go unnoticed for many years if you have one of the following you may have vitamin B deficiency. shakiness muscle weakness muscle stiffness muscle spasticity fatigue incontinence low blood pressure mood disturbances FOSFO B-12 ORAL SOLUTION 15 drinkable vials. This product is a nutritional supplement for persons that experience physical fatigue and nervousness. FOSFO B-12 ORAL SOLUTION INCLUDES: Vitamin B1 (As Thiamine HCI) Vitamin B2 (Riboflavin-5'-Phosphate Sodium Vitamin B6 (As Pyridoxine HCI) Vitamin B3 (Niacin) (As Niacinamide) Vitamin B12 (As Cyanocobalamin) Glutamic Acid Calcium Glycerophosphate