How do members experience NatureMade Calcium, Magnesium and Zinc? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Osteoarthritis 1 0 0% 0% 0% 0% 0% This item is relevant to you: Osteopenia 1 0 0% 0% 0% 0% 0%