Nattokinase

Common questions

Is Nattokinase healthy?

Nattokinase scores 88/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. This supplement features high-quality ingredients such as oat bran, nattokinase, and vitamin K2, which are known for their cardiovascular and digestive health benefits.

How processed is Nattokinase?

Nattokinase is NOVA Group 2: Processed Culinary Ingredients.

Which ingredients drive Nattokinase's score?

In Scout's ingredient-by-ingredient analysis, Oat Bran, Nattokinase, Vitamin K2 count in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

You might also like

See more

Nattokinase

Toku
88 Excellent

Analysis updated September 2026 · How Scout scores

View on Amazon

At a glance

Beneficial ingredients 5
Harmful ingredients 0
Owned by Toku Pneumatic Co. Ltd
Category Immunity
Summary

This supplement features high-quality ingredients such as oat bran, nattokinase, and vitamin K2, which are known for their cardiovascular and digestive health benefits. The formulation is clean, with natural sweeteners like stevia and monk fruit, and lacks artificial additives or harmful substances. The minimal processing of its ingredients contributes to its high rating, making it a beneficial choice for supporting heart health.

Key ingredients 7

Oat Bran
Good

Oat bran is a good source of dietary fiber, which supports digestive health and helps regulate blood sugar levels. It is minimally processed and retains essential nutrients like beta-glucan, which can lower cholesterol. Its inclusion in supplements adds nutritional value without significant processing concerns.

Benefits

Rich in fiber and beta-glucan, supporting heart health and digestion.

See more about Oat Bran →
Nattokinase
Good

Nattokinase is an enzyme derived from fermented soybeans, known for its potential cardiovascular benefits, including blood clot prevention. It is a high-quality active ingredient with minimal processing. Its enzymatic activity can support heart health by promoting healthy blood flow.

Risks

May interact with blood-thinning medications, requiring caution for individuals on such treatments.

Benefits

Supports cardiovascular health by promoting healthy blood circulation.

Vitamin K2
Good

Vitamin K2 is essential for bone and cardiovascular health, aiding in calcium regulation and arterial health. It is a beneficial nutrient with no significant processing concerns. Its inclusion in supplements enhances bone density and reduces arterial calcification.

Benefits

Supports bone health and cardiovascular function by regulating calcium.

See more about Vitamin K2 →
Sea Salt
Good

Beneficial ingredient — whole-food or functional value in this product class.

Risks

Excessive consumption may contribute to high blood pressure.

Benefits

Provides essential minerals and enhances flavor.

See more about Sea Salt →
Monk Fruit Extract
Good

Beneficial ingredient — whole-food or functional value in this product class.

Benefits

Offers a natural, calorie-free sweetening option without impacting blood sugar.

See more about Monk Fruit Extract →
Cocoa Powder Processed With Alkali
Neutral

Cocoa powder processed with alkali, also known as Dutch-processed cocoa, has a milder flavor and darker color. The alkalization process reduces acidity but may also decrease some antioxidant content. It is generally considered neutral in terms of health impact.

Risks

May contain reduced levels of antioxidants compared to non-alkalized cocoa.

Benefits

Provides flavor and some antioxidants, though less than non-alkalized cocoa.

See more about Cocoa Powder Processed With Alkali →
Organic Stevia Leaf Extract
Neutral

Stevia leaf extract is a natural, zero-calorie sweetener derived from the stevia plant. It is minimally processed and does not significantly impact blood sugar levels. Its organic certification indicates a higher quality standard.

Benefits

Offers a natural sweetening option without calories or blood sugar impact.

See more about Organic Stevia Leaf Extract →

Processing

Group 2 · Culinary ingredients

Processed Culinary Ingredients

Get the full breakdown in the Scout appTake Scout shopping

Scan any product to see lab results, healthy alternatives, and your personalized analysis.

Download on theApp Store GET IT ONGoogle Play

More in Immunity