Nature's Bounty, Nature's Bounty St. Johns Wort Herbal Supplement, 300 mg, 24 X 100 CapsProduct Description 0. 3% Hypericin Guaranteed Quality Healthy You. Healthy Earth. Herbal Supplement Laboratory Tested Promotes a Positive Mood Standardized Extract Product Benefits Ingredients Supplement FactsServing Size: 1 Capsule Amount Per Serving % Daily Value St. John's Wort Extract (Hypericum perforatum) (aerial) (Standardized to contain 0. 3% Hypericin, 0. 9 mg) 300 mg ** ** Daily Value not established. Other Ingredients Gelatin, dicalcium