The Extent of the Use of Multivitamins and Multimineral Supplements Without Clinically Measurable Benefits Among Adults in Ha'il, Saudi Arabia: A Cross-Sectional Study.

Introduction Multivitamins and multiminerals (MVMM) are nutritional supplements that contain a wide range of important nutrients. The use of vitamins and minerals has been showing a tremendous increase over the past few years due to the high demand for supplements to replenish nutritional deficiencies. Purpose This study aimed to assess MVMM usage, the reasons why people chose to use MVMM, and the factors related to this usage.