How do members experience Vitamin B12 Resin (cyanocobalamin)? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Loss of energy 2 0 0% 0% 0% 0% 0% This item is relevant to you: Chronic fatigue 1 0 0% 0% 0% 0% 0% This item is relevant to you: Skin sensitive to touch 1 0 0% 0% 0% 0% 0%