The Dietary Supplements Labels Database offers information about label ingredients in more than 4,000 selected brands of dietary supplements. It enables users to compare label ingredients in different brands. Information is also provided on the "structure/function" claims made by manufacturers. These claims by manufacturers have not been evaluated by the Food and Drug Administration. Companies may not market as dietary supplements any products that are intended to diagnose, treat, cure or prevent any disease.

Ingredients of dietary supplements in this database are linked to other National Library of Medicine databases such as MedlinePlus® and PubMed® to allow users to understand the characteristics of ingredients and view the results of research pertaining to them, including the following characteristics:

• Uses in humans
• Adverse effects
• Mechanism of action

The Database can be searched by brand names, uses noted on product labels, specific active ingredients, and manufacturers.

Warnings and Recalls from the U.S. Food and Drug Administration (FDA), related to specific ingredients and supplement brands have also been provided.