Origanox is the trademarked name for a natural completely water-soluble powerful antioxidant extracted from Origanum vulgare commonly known as oregano. The active ingredient in Origanox is rosmarinic acid. Origanox is standardized to no less than 7% rosmarinic acid. Rosmarinic acid is also the active ingredient in rosemary and gives the capsules a pleasant aroma. 90 Caps. Ingredients: Origanox WS Natural Plant Extract. Standardized to contain minimum: 7%. Rosmarinic acid (35%). Dosage: 1 Capsule 2 to 3 Times Daily.