St. John's Wort
St. John's wort is an herb. Its flowers and leaves are used to make medicine.
depression. It's about as effective as some prescription drugs. However, it might not be as effective for severe depression.
There is also some scientific evidence that St. John's wort might be effective for treating anxiety.
Oily preparations of St. John's wort seem to help stomach upset when taken by mouth. When applied to the skin, these oily preparations seem to help first degree burns, cuts and bruises, and muscle pain.
There is also some evidence that St. John's wort is not effective for treating HIV infection. Don't use St. John's wort for this condition.
There isn't enough information to know if St. John's wort is effective for the other conditions people use it for, including: migraine headache, nerve pain, sciatica, excitability, muscle pain, cancer, obsessive compulsive behavior, premenstrual syndrome (PMS), and many others.
Likely Effective for...
Possibly Effective for...
Possibly Ineffective for...
Insufficient Evidence to Rate Effectiveness for...
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
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