Food supplement · Doctor's Best

Best Nattokinase

Why Doctor's Best best nattokinase?

  • 2000 FU nattokinase per serving
  • Best Nattokinase contains nattokinase enzyme with Vitamin K2 removed.

From the label’s panel and printed marks — not its marketing.

Supplement Facts

Serving size 1–2 Capsule(s)

Nattokinase2000 FU

Full panel ↓

Sold as food, not medicine — no regulator checked that it works

2000FUNattokinase

Per serving · 1–2 Capsule(s)

At a glance

From the label as printed · NIH DSLD

What it is

Herbal supplement · Capsule

Per serving

2000 FU nattokinase

30 servings per container

How to take it

Suggested Adult Use: Take 1 - 2 capsules daily, between meals.

One serving: 1–2 Capsule(s)

Label warning

Contains Soy

All warnings ↓
Independent testing

No third-party testing mark on the label

Marks like USP Verified mean an independent lab checked that the product contains what the label says.

Good to know
  • Food supplement — claims are the manufacturer’s
  • Best Nattokinase contains nattokinase enzyme with Vitamin K2 removed.
  • Vegetarian
  • Adult (18 - 50 Years)

Supplement Facts

Supplement Facts

Serving size 1–2 Capsule(s)

Servings per container 30

Amount per serving% DV
Nattokinase2000 FU†

† Daily Value not established.

Other ingredients: Modified Cellulose, Maltodextrin, Magnesium Stearate

Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label

How to take it

  • Suggested Adult Use: Take 1 - 2 capsules daily, between meals.

The manufacturer’s directions, from the label.

Warnings on the label

  • Contains Soy
  • Do not use this product if you are pregnant or nursing, are allergic to soy, or if you have a blood coagulation disorder. If you are taking an anticoagulant (bloodthinning medication) or vitamin K, consult a physician before taking this product.
  • Do not use this product if you are pregnant or nursing, are allergic to soy, or if you have a blood coagulation disorder.

What no one has checked

Supplements are regulated as food, not as medicine. No regulator has assessed whether this product works, and manufacturing standards vary widely between brands and countries.

Details

BrandDoctor's Best
UPC7 53950 00135 0
NIH label ID24619
Label recorded2013-08-23

Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional