U.S. Department of Health and Human Services

Herbal Medicine

Botanical Dietary Supplements: Background Information

A botanical is a plant valued for its medicinal or therapeutic properties, flavor, and/or scent. Learn about herbal products, including dietary supplements, used to maintain or improve health.

Review Date: Tuesday, January 19, 2016

NIH Office of Dietary Supplements - ODS


Learn about drugs, vitamins, and herbs, and how the drugs you take compare with others. Check interactions between two or more drugs and get detailed information regarding potentially harmful drug interactions.

Review Date: Monday, December 01, 2014

Commercial Entity--Follow the Resource URL for More Information

Herbal Products and Supplements: What You Should Know

This fact sheet discusses the safety of herbal products marketed as "natural" products, the possible side effects of herbal products and interactions with prescription medicines.

Review Date: Thursday, December 18, 2014

American Academy of Family Physicians

Herbal Supplements May Not Mix with Heart Medicines

Many herbal supplements can interact with medications to treat high cholesterol, high blood pressure, and other conditions. Some interactions can be dangerous. This document lists common herbal supplements, foods and vitamins that can interact with heart disease medications.

Review Date: Wednesday, November 26, 2014

Mayo Foundation for Medical Education and Research

Herbs and Supplements

Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.

Review Date: Friday, January 29, 2016

NIH National Library of Medicine - NLM

Questions and Answers About Selected Vegetables/Sun's Soup

Learn about the use of Selected Vegetables/Sun’s Soup, names given to several different mixtures of vegetables and herbs being studied as treatments for cancer and other medical conditions, including acquired immunodeficiency syndrome (AIDS).

Review Date: Tuesday, December 08, 2015

NIH National Cancer Institute

Questions and Answers about Valerian for Insomnia and Other Sleep Disorders

Find an overview on valerian, an herb and dietary supplement used for insomnia and other sleep disorders.

Review Date: Tuesday, January 19, 2016

NIH Office of Dietary Supplements - ODS

Tea and Cancer Prevention: Strengths and Limits of the Evidence

This fact sheet describes the ingredients contained in tea, and how tea might help to prevent cancer. Learn about research on the association between tea consumption and cancer risk.

Review Date: Wednesday, December 02, 2015

NIH National Cancer Institute

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