Standardized Nattokinase powder. Botanical Source: Soy bean Preparation: Nattokinase is extracted from Natto. natto is made from soybeans fermented by natto bacillus. Appearance and odor: White or light yellow powder with strong smell and taste. Standard: The activity of nattokinase is fibrinolytic units (FU) per gram. We normally offer to our clients with 5000FU/g, 12000FU/g , 20000FU/g. Water: not more than 5.0% Total ash: not more than 5% Package: 25/KG per paper drum or packed with little parcel. Sample/ COA / MSDS are available Studies of the product: Nattokinase is reported to reduce and prevent blood clot. So, eating nattokinase can prevent heart attacks and strokes. Pure, isolated Nattokinase supplements contain 20,000 fibrinolytic units per gram. One 36 mg softgel taken twice per day would supply an adequate amount as a preventative. Patients who are actively combating thrombus should be guided by their medical professionals dosage recommendation.Contact us to request more information.