a male client has received a prescription for orlistat for weight and nutrition management. in addition to the medication, the client states he plans to take a multivitamin. what teaching should the nurse provide? a. as a nutritional supplement, orlistat already contains all the recommended daily vitamins and minerals. b. multivitamins are contraindicated. during treatment with weight-control medications such as orlistat c. be sure to take the multivitamin and the medication at least two hours apart for best absorption and effectiveness. d. following a well-balanced diet is a much healthier approach to good nutrition than depending on a multivitamin.