St. John's Wort

Introduction

This article provides basic information about the herb St. John's wort --common names, uses, potential side effects, and resources for more information. St. John's wort is a plant with yellow flowers.

Common Names--St. John's wort, hypericum, Klamath weed, goat weed

Latin Name--Hypericum perforatum

What It Is Used For

  • St. John's wort has been used for centuries to treat mental disorders and nerve pain.
  • In ancient times, herbalists wrote about its use as a sedative and a treatment for malaria, as well as a balm for wounds, burns, and insect bites.
  • Today, St. John's wort is used by some for depression, anxiety, and/or sleep disorders.

How It Is Used

The flowering tops of St. John's wort are used to prepare teas and tablets containing concentrated extracts.