Your Cart is Empty
But it doesn't have to be.
Continue Shopping.
Added to Cart
Cart Total:
Customers Also Bought:

Source Naturals, NSK-SD, Nattokinase, 100 mg, 30 Capsules

Our Price:
You Save:
$12.41 (46)
  • Volume Discount
  • Buy 2+
    Save 5%
Earn 10% Loyalty Credit ?

This product is already in your Wish List.

View Wish List

This product is now in your Wish List.

Sorry, this product is no longer in stock.

In Stock
  • Expiration Date: Oct 2019
  • Shipping Weight: 0.08 lbs (0.04 kg)
  • Product Code: SNS-01884
  • UPC Code: 021078018841
  • Package Quantity: 30 Capsules
  • Dimensions: 3 x 1.6 x 1.6 in, 0.05 lbs (0.02 kg)
  • Gelatin Capsule is derived from porcine.

Bundle Offer
Save $1.93 when you purchase these items today for only $18.59
Total: $20.52
Combo Discount: - $1.93
Together: $18.59

Sorry, this product is no longer in stock.

Product Overview


  • Whole-Body Systemic Enzyme for Healthy Circulation
  • Dietary Supplement

Nattokinase is a systemic enzyme isolated from the traditional Japanese soy food natto. It has been shown to support healthy blood flow by assisting the circulatory clearing system of the body.

Suggested Use

1 capsule three times daily on an empty stomach with 8 ounces of water.

Other Ingredients

Microcrystalline cellulose, gelatin (capsule), colloidal silicon dioxide, and magnesium stearate.

Contains soy.


Store in a cool, dry place.

Do not use if you have blood coagulation or blood pressure disorder. Consult your healthcare professional before taking this product if you are taking any drug that effects blood coagulation or blood pressure such as prescription vitamin K, heparin, warfarin (Coumadin), diuretics, ACE inhibitors, or beta blockers, or if you are pregnant, may become pregnant, or breastfeeding.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Capsule
  Amount Per Serving % Daily Value
Nattokinase (NSK-SD) providing 2,000 fibrin units (FU) of activity 100 mg
†Daily Value not established.
iHerb Customer Reviews


Posted by 5023709542728629180 on Mar 05, 2014


Was this review helpful to you?

Nice but not sure they had any effect

Posted by 5536595171908109527 on Feb 25, 2014

I took 2 capsules a day on an empty stomach but didn't notice any effects

Was this review helpful to you?


Posted by Reviewer1836909 on Aug 20, 2013

very nice.

Was this review helpful to you?

The use effect is very good

Posted by 5667922177172254395 on Jun 19, 2013

The use effect is very good. But so expensive.

Was this review helpful to you?

Started to use

Posted by 5484473123193853992 on Jan 04, 2013

Started to use, the effect is not obvious

Was this review helpful to you?