Health Aid St John's Wort is a standardized herbal supplement containing 500mg of St John's Wort extract per tablet. This dietary supplement comes in a bottle of 30 tablets and is manufactured by Health Aid, a trusted name in natural health products. St John's Wort (Hypericum perforatum) is a traditional herbal medicine that has been used for centuries. The product contains standardized extract to ensure consistent potency in each tablet. As with any supplement, consult with a healthcare professional before use, especially if you are taking other medications, as St John's Wort may interact with certain drugs.