Quest Vitamin B12 is necessaryfor the synthesisation of normal red blood cells. Vitamin B12 is required for normal folic acid utilization and activity. Vitamin B12 is recommended for the elderly, due to vulnerability of B12 deficiency.Quest Vitamin B12 is required for the synthesis of haemoglobin, the oxygen carrying pigment in red blood cells. Vitamin B12 is only found in animal derived foods, it is therefore recommended that vegans take a supplement.Directions:Take one tablet daily with food. Swallow with water. Do not exceed directions for use.Actives:Vitamin B12 500 μg Uva Ursi Leaf extract 25 mg (Equivalent to 100mg herb powder)Ingredients:Di-Calcium Phosphate, Bulking agent: Microcrystalline Cellulose, Vitamin B12 (with di-Calcium Phosphate), Uva Ursi Leaf Extract, Magnesium StearateWarnings:Do not exceed directions for use.