St. John's Wort (Hypericum perforatum) is a perennial plant that has been used for centuries for its mood-supporting capabilities. Now St. John's Wort is carefully harvested, dried, and processed to give you the highest quality herb in a convenient capsule form. Each serving provides a potent dose of this herbal supplement, traditionally known to act as a natural mood enhancer. Now Foods ensures that only the best quality herbs are utilized to maximize its effectiveness.