How do members experience NSI Calcium, Magnesium, Vitamin D? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: General health 1 0 0% 0% 0% 0% 0% This item is relevant to you: Hands tingling 1 0 0% 0% 0% 0% 0% This item is relevant to you: Osteopenia 1 0 0% 0% 0% 0% 0%