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St John's Wort Herb

St. John’s wort is an herb, and its flowers and leaves are often used to create supplements that people take for depression, anxiety and other ailments.

Common Uses for St. John’s Wort

Some evidence suggests that St. John’s wort is effective for mild to moderate depression, and it’s sometimes used to treat conditions that accompany depression, such as loss of appetite and difficulty sleeping.

Other people use St. John’s wort to treat:

  • Attention deficit-hyperactivity disorder (commonly called ADHD)
  • Chronic fatigue syndrome and exhaustion
  • Fibromyalgia
  • Heart palpitations
  • Irritable bowel syndrome
  • Migraines
  • Moodiness
  • Muscle pain
  • Nerve pain
  • Obsessive-compulsive disorder
  • Seasonal affective disorder
  • Skin irritations and psoriasis
  • Symptoms of menopause

Precautions for St. John’s Wort

St. John’s wort may interact with some medications, so it’s essential that you read the label and consult with your physician before you begin taking it. You should not take St. John’s wort if you are taking certain medications – particularly those that increase your body’s production of serotonin – or if you’re pregnant or breastfeeding.