BioCare Nutrisorb Methyl B12 15mlVitamin B12 contributes to normal blood formation, normal homocysteine metabolism, normal psychological function and helps reduce tiredness and fatigue. Vitamin B12 contributes to normal red blood cell formation, normal cell division and normal energy metabolism. Nutrisorb liquids are a range of high potency liquid nutrients. They are pure, highly absorbable, flexible and easy to take under the tongue or in liquid.