Source Naturals Nattokinase NSK-SD is a systemic enzyme isolated from the traditional Japanese soy food, natto. Source Naturals Nattokinase NSK-SD has been shown to support healthy blood flow by assisting in the circulatory clearing system of the body. Source Naturals Nattokinase NSK-SD Whole Body Systemic Enzyme For Healthy Circulation provides 100 mg. per capsule.
NSK-SD™ is a trademark of Japan Bio Science Laboratories.
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