Isolated, purified and encapsulated nattokinase, an enzyme derived from boiled soybeans and a selected, patented strain of Bacillus subtilis natto. Nattokinase NSK-SD was the first nattokinase introduced into the US market, and it has established standardization and quality levels for all nattokinase, with comprehensive safety studies and proven potency. It is vegetarian, non-irradiated, and free of vitamin K2. NSK-SD has two Japanese and three U.S. patents, and is recognized by the JHFA (Japan Health and Nutrition Food Authorization) and JNKA (Japan Nattokinase Association) as authentic nattokinase. NSK-SD is a trademark of Japan BioScience Laboratory. Serving Size: 2 Capsule Servings Per Container: 150 Amount Per Serving: Nattokinase (soy) NSK-SD (2000 FU) 100 Other Ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucine As a dietary supplement, 2 capsules two times daily initial dose, or as directed by a healthcare practitioner. May be taken with or without food. Take with 8 to10 ounces of water. Store in a cool, dry place, tightly capped. If taken with anticoagulant drugs, use under medical supervision. Contraindicated in any condition associated with bleeding. Contains: Soy.