Doctor's Best Nattokinase 2,000 FUs is a dietary supplement in capsules containing nattokinase with a potency of 2,000 FUs. Nattokinase is an enzyme derived from "natto," a traditional fermented soybean food popular in Japan.

During the natto production process, non-GMO soybeans are boiled and fermented with friendly Bacillus Subtilis bacteria that produce nattokinase. Doctor's Best Nattokinase contains the enzyme nattokinase with the vitamin K2 removed.

Nattokinase has been shown to support a healthy circulatory system by helping to maintain normal levels of fibrinogen (a clotting factor) in the blood.

• Supports a healthy circulatory system.
• Enhances cardiovascular and circulatory health.
• Reduces blood pressure and cholesterol.
• Breaks down bacterial biofilms and blood clots.