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The Best Nattokinase Reviews of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Nattokinase Reviews of 2023. Check our ranking below.

2,323 Reviews Scanned

Rank No. #1
Luma Nutrition Nattokinase Supplement - Japanese Natto 4000 FU Per Serving, Premium Heart Health Support - Vegan & Gluten Free - 60 Capsules - Made in USA
  • Premium Natto Extract: Luma Nutrition's powerful nattokinase supplement boasts superior quality and a powerful dosage of Nattokinase 4000 fu, twice as strong as other nattokinase 2000 fu products. These effective Nattokinase powder capsules promote healthy blood flow and circulation, supporting cardiovascular function and overall heart health.
  • Natural Heart Support: Nattokinase is an enzyme extracted from natto, a traditional Japanese fermented soybean dish. It's renowned for its fibrinolytic properties, meaning it helps break down fibrin, a protein involved in restricted blood flow. Without the presence of Serrapeptase or Lumbrokinase, this supplement works for vegan or gluten-free diets.
  • 30 Day Supply: Each bottle of Luma's nattokinase supplement organic lasts for a month to maintain optimal freshness and provides natural heart health support. This nattokinase supplement for men and women makes the perfect monthly subscription.
  • 3rd Party Tested: All of our products are 3rd party tested for purity and quality. Our Nattokinase is made in the USA in our fully certified facility. Non-gmo and the highest quality.
  • Proudly USA: All Luma Nutrition supplements are manufactured in GMP certified facilities in the United States to ensure product safety and quality is always upheld. Certificed by NSF December 2023. We are veteran owned and operated.
SaleRank No. #2
Doctors Best Nattokinase, 2000 Fus, Supports Cardiovascular Health, Non-GMO, Vegan 90 Veggie Caps
  • DOCTOR'S BEST NATTOKINASE - Contains nattokinase enzyme with Vitamin K2 removed. Nattokinase, an enzyme that is derived from natto, a traditional Japanese food made by fermenting soybeans with Bacillus subtilis bacteria.
  • ENHANCES BLOOD FLOW - contributes to heart health by acting as a fibrinolytic enzyme, improving circulation throughout the body, potentially lowering the risk of cardiovascular issues associated with poor blood circulation.*
  • CARDIOVASCULAR HEALTH - Nattokinase has been studied for its potential to support heart health. Multiple authors have described the significant effects of natto. Nattokinase has been growing in popularity as a supplement for cardiovascular health.*
  • SCIENCE-BASED - Studies on Nattokinase indicate that it may promote healthy blood circulation and cardiovascular health due to its ability to break down fibrin, potentially improving blood, and supporting overall cardiovascular well-being.*
  • POTENCY & SERVING SIZE – Every 1 capsule serving size provides 2,000 FU of Nattokinase. Nattokinase fibrinolytic activity units (FU) refer to the enzyme activity levels. Enzyme potencies are typically measured according to their activity levels.
SaleRank No. #3
Doctor's Best Nattokinase, Non-GMO, Vegan, Gluten Free, 270 Veggie Caps
  • DOCTOR'S BEST NATTOKINASE - Contains nattokinase enzyme with Vitamin K2 removed. Nattokinase, an enzyme that is derived from natto, a traditional Japanese food made by fermenting soybeans with Bacillus subtilis bacteria.
  • ENHANCES BLOOD FLOW - contributes to heart health by acting as a fibrinolytic enzyme, improving circulation throughout the body, potentially lowering the risk of cardiovascular issues associated with poor blood circulation.*
  • CARDIOVASCULAR HEALTH - Nattokinase has been studied for its potential to support heart health. Multiple authors have described the significant effects of natto. Nattokinase has been growing in popularity as a supplement for cardiovascular health.*
  • SCIENCE-BASED - Studies on Nattokinase indicate that it may promote healthy blood circulation and cardiovascular health due to its ability to break down fibrin, potentially improving blood, and supporting overall cardiovascular well-being.*
  • POTENCY & SERVING SIZE – Every 1 capsule serving size provides 2,000 FU of Nattokinase. Nattokinase fibrinolytic activity units (FU) refer to the enzyme activity levels. Enzyme potencies are typically measured according to their activity levels.
Rank No. #4
Nutricost Nattokinase 2,000FU, 120 Capsules - Gluten Free, Non-GMO, Vegetarian Friendly
  • 2,000FU of Nattokinase Per Serving
  • 120 Nattokinase Servings Per Bottle
  • 1 Capsule For 1 Serving
  • Non-GMO, Gluten Free, And Vegetarian Friendly
  • 3rd Party Tested by ISO-accredited Laboratories
SaleRank No. #5
Horbäach Nattokinase Supplement 4000 FU | 150 Capsules | Non-GMO, Gluten Free
  • NATTOKINASE: This powerful enzyme is derived from the Japanese soybean called Natto
  • INNOVATIVE SUPPORT: Delivers 4000 FUs of Nattokinase per serving in convenient quick-release capsules
  • EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Milk, Lactose, Artificial Flavor, Color, Preservatives & Non-GMO

Last update on 2025-10-21 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What is the best nattokinase?

A: Nattovena is the best nattokinase available, at quality supplement stores and over the Internet, and is the only supplement presently available that uses Pure nattokinase, leaving out all of the corn or rice fillers.

Q: What is the best time to take nattokinase?

A: In order for a n​attokinase supplement to effectively find its way into the system, it needs to pass through the acidic environment of the stomach in a reasonable amount of time. With this being said, the best time to take nattokinase is on an empty stomach , and preferably with at least 8 ounces of water .

Q: Is nattokinase a natural alternative to warfarin?

A: There are no “natural” alternatives to warfarin or warfarin-like medications * that have been scientifically shown to have benefit. One substance that gets a good bit of attention is nattokinase. Nattokinase is a substance found in a common Japanese food called natto, which is made of fermented soybeans.

Q: What are side effects of nattokinase?

A: Nattokinase Side Effects. There are a number of nattokinase side effects of which you should be aware, particularly if you are taking concentrated supplements of this enzyme, including bleeding disorders, as well as complications with surgery, pregnancy, and liver issues.

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