Dietary supplementation research involves studying the effects of adding specific nutrients or substances to a person's diet in order to improve health or treat a particular condition. This can include vitamins, minerals, herbs, probiotics, and other dietary components. Researchers in this field investigate the potential benefits and risks of various supplements, as well as their interactions with other foods and medications. The goal of dietary supplementation research is to provide evidence-based guidance on the use of supplements for improving health and well-being.