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Office of Dietary Supplements
This is a general overview of Vitamin A and Carotenoids with recommendations, food sources, and health benefits.
Office of Dietary Supplements
HHS, National Institutes of Health, Office of Dietary Supplements
Explore current research about dietary supplements and COVID-19.
HHS, National Institutes of Health, Office of Dietary Supplements
Find background information about botanicals and their use, safety, and health benefits as dietary supplements. See Botanical Supplement Fact Sheets for information about specific botanical supplements.
HHS, National Institutes of Health, Office of Dietary Supplements
Learn about how dietary supplements are regulated and what you need to discuss with your healthcare provider before starting a supplement.
HHS, National Institutes of Health, Office of Dietary Supplements
This fact sheet describes what’s known about the safety and effectiveness of many ingredients that are commonly used in weight-loss dietary supplements.
HHS, National Institutes of Health, Office of Dietary Supplements
Access vitamin and mineral supplement fact sheets for the consumer or health professional. Available in PDF format, and in Spanish.
HHS, National Institutes of Health, Office of Dietary Supplements, National Library of Medicine
The Dietary Supplement Label Database (DSLD) includes full label derived information from dietary supplement products marketed in the U.S.
HHS, National Institutes of Health, Office of Dietary Supplements
Read about the mineral magnesium and its health benefits, food sources, and recommended daily intake.
HHS, National Institutes of Health, Office of Dietary Supplements
Read about vitamin D and its health benefits, food sources, and recommended daily intake.
HHS, National Institutes of Health, Office of Dietary Supplements
Read this fact sheet for answers to common questions about dietary supplements for exercise and athletic performance.
HHS, National Institutes of Health, Office of Dietary Supplements
Explore an A to Z list of fact sheets for vitamin and mineral supplements.
HHS, National Institutes of Health, Office of Dietary Supplements
Read about the mineral calcium and its health benefits, food sources, and recommended daily intake.
HHS, National Institutes of Health, Office of Dietary Supplements
Read answers to frequently asked questions on dietary supplements.
HHS, National Institutes of Health, Office of Dietary Supplements
Find evidence-based information about dietary supplements. This collection of fact sheets presents information about dietary supplements and their ingredients. These include vitamins, minerals, herbs and botanicals, probiotics, and more.
HHS, National Institutes of Health, Office of Dietary Supplements
Learn about the safety of ephedra and ephedrine alkaloids for weight loss or to enhance athletic performance.