An official website of the United States government.
Get information on popular types of herbal supplements, including what they are used for, if they work, and what to avoid.
Provides links to credible and accurate information and resources on herbals and botanicals used as dietary supplements.
Complementary and alternative medicine (CAM) is the term for medical products and practices that are not part of standard medical care.
Learn about milk thistle, including its use, history, side effects, and results of clinical trials.
Learn about mistletoe and its use in complementary and alternative medical approaches.
Provides basic information about menopause and summarizes research on the efficacy and safety of complementary health approaches for menopausal symptoms.
Find fact sheets with information about specific herbs or botanicals—common names, what the science says, potential side effects and cautions, and resources for more information.
The HerbList App provides research-based information about the safety and effectiveness of herbal products.
Summarizes scientific research on St. John’s wort for depression and suggests sources for more information.
Tips about the safety and effectiveness of dietary supplements for weight control.
Provides information and resources for understanding herbal medicine. Also in Spanish.
Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions. Also in Spanish.
Provides 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.