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#46 in Herbal Supplements Third-Party Tested
Doctor's Best Nattokinase 2,000 FU
by Doctor's Best
"NSK-SD nattokinase for fibrinolytic activity, circulation, and cardiovascular health"
Amazon Rating
4.6/5
Reviews
14,200
Price Range
$16.99 - $22.99
Servings
90
GMP CertifiedNon-GMO
Our Editorial Rating
8.2
Very Good
Overview
Doctor's Best uses NSK-SD, a patented nattokinase free from vitamin K2 (important for those on warfarin). Nattokinase breaks down fibrin for improved circulation and blood clot prevention. 2,000 FU is the standard clinical dose per capsule.
Key Ingredients
| Ingredient | Amount |
|---|---|
| Nattokinase (NSK-SD) | 2,000 FU (100mg) |
1 ingredient linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- 90 capsules
- NSK-SD (vitamin K2-free)
- Fibrinolytic research
- Safe for warfarin users (K2-free)
What Could Be Better
- Still interacts with blood thinners
- Soy-derived
- Effects take weeks
Who Is This For?
Best For
- Circulation improvement
- Cardiovascular health
- Fibrin reduction
Not Ideal For
- Active bleeding
- Surgery preparation (stop 2 weeks before)
Our Verdict
8.2/10 — Very Good
The K2-free nattokinase. NSK-SD for fibrinolytic activity and circulation.
Alternatives to Consider
No direct alternatives listed for this product yet.
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