Health Aid St. John's Wort is a dietary supplement containing 500mg of standardized St. John's Wort extract per tablet. This herbal supplement comes in a bottle of 30 tablets and is manufactured by Health Aid, a trusted name in nutritional supplements. St. John's Wort (Hypericum perforatum) is a traditional herbal supplement. As with any supplement, it is recommended to consult with a healthcare professional before starting use. Store in a cool, dry place away from direct sunlight and keep out of reach of children.