Each easy-to-take capsule contains: standardized St. John’s Wort extract - 150 mg to provide 3% Hypericin; plus 300 mg. St. John’s Wort traditional whole herb (flower) to assure that you’re getting the complete spectrum of beneficial natural active ingredients…flavonoids, tannins (hyperoside, quercetin, rutin, catechin), xanthrones, monoterpenes, phytosterols (beta-sitosterol), dianthrones and glycosides. Please note:Because St. John’s Wort is a natural herbal remedy,do not believe it to be harmless. While it has little or no side effects like those caused by similar synthetic medications and is better tolerated by individuals. it is now becoming a popular alternative to the commonly prescribed medications such as Prozac and Diazepam, however, it does interact with some other foods and medications. Please see our FAQ page for more information. This St. John’s Wort herb is harvested from the world’s finest crops, pharmaceutically -fresh milled into fine powder and encapsulated to the most exacting standards of potency, purity and efficacy. No additional fillers, lubricants or excipients. No sugar, starch or preservatives.