Understanding How many mg is 4000 fu of nattokinase
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4 min read
Multiple supplement brands indicate that a single serving of nattokinase providing 4,000 Fibrinolytic Units (FU) of activity typically contains either 100 mg or 200 mg of the enzyme. The significant variation highlights that FU measures the enzyme's activity, not its weight, which is crucial for understanding how many mg is 4000 fu of nattokinase and why simple conversion is not possible.
