Supplement use refers to the practice of taking additional dietary supplements, such as vitamins, minerals, herbs, or other natural products, to improve health and wellness. Research in this area aims to understand the potential benefits and risks of supplement use, as well as how supplements interact with medications and medical conditions. Studies also investigate the effectiveness of different supplements for various health conditions, and explore trends in supplement use among different populations. Overall, research in this area seeks to provide evidence-based recommendations for safe and effective supplement use.