Doctor's Best Nattokinase 2,000 FU
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Our take on the Doctor's Best Nattokinase 2,000 FU
Doctor's Best Nattokinase is a vegan enzyme supplement sold in capsule form, with 2,000 FU of nattokinase per veggie capsule and a suggested dose of one capsule daily between meals. Nattokinase is a soy-derived enzyme studied for effects on blood clotting factors and circulation, which is why the bottle targets heart and circulatory health. At $14.99 at Amazon as of November 4, 2026, it sits at the low end of its recent range across the 7 stores that list it new.
- 2,000 FU per capsule is a common studied potency
- Vegan, non-GMO and gluten-free formula
- One capsule daily, taken between meals
- Low entry price at $14.99 for a full bottle
- Simple single-enzyme formula with no filler vitamins
- Derived from soy, so not suitable for soy allergy
- Nattokinase can interact with blood thinners
- No vitamin K2 despite some listings mentioning it
- Evidence in people is limited and mixed
- Not for children or pregnant or nursing women
Doctor's Best Nattokinase 2,000 FU prices at every store
- Vitacost.comNew
In stock
$15.99Free shippingObserved at 5:43 PM - WalmartNew
In stock
$14.99+ $6.99 shippingObserved at 5:43 PM - eBayNew
In stockSold by nutri_mart
$22.37Free shippingObserved at 4:37 PM - AmazonNew
Availability unknown
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$14.99Observed at 4:37 PM - iHerbNew
Availability unknown
$15.99Observed at 5:43 PM - TargetNew
Availability unknown
$18.99Observed at 5:43 PM - The Vitamin ShoppeNew
Availability unknown
$23.99Observed at 5:43 PM
Doctor's Best Nattokinase 2,000 FU price history
Lowest price we've seen: $14.99 on Nov 4 at Walmart. Tracked across 7 stores since Nov 4.
What reviewers say
Owners of Doctor's Best nattokinase generally report easy daily use and no stomach upset, and many buy it for circulation support on a doctor's advice. Reviews are split on noticeable effects, and some users want clearer guidance on timing and interactions.
- Easy to swallow and gentle on the stomach
- Convenient once-daily dosing
- Good value for 2,000 FU per capsule
- Vegan capsule suits plant-based diets
- Effects are subtle or hard to notice
- Soy source worries some buyers
- Bottle and label details draw occasional complaints
- Little guidance on combining with other supplements
Specifications
- Supplement Type
- Enzyme
- Target Concern
- Cardiovascular Health, Heart Health
- Body Part Use
- Heart, Circulatory system
- Form
- Capsule
- Free Of
- Non-GMO
- Dosage
- 1 capsule daily
- Serving Size
- 1 Veggie Capsule
- Dosage Frequency
- Daily
- Allergen Free
- Gluten Free
- Main Ingredient
- Nattokinase
- Contains
- Nattokinase, Nattokinase enzyme, Soy
- Mineral Type
- Magnesium
- Vitamin Type
- Vitamin K2 (removed)
- Herbal Ingredient
- Medicinal herb/botanical
- Ingredient Type
- Enzyme
- Enzyme Type
- Nattokinase enzyme
- Probiotic Strain
- Bacillus subtilis bacteria
- Vitamin Content
- Vitamin K2
- Container Type
- Bottle
- Dietary Restrictions
- Vegan, Non-GMO
- Age Group
- Adult
- Gender
- UNISEX
- Special Diet
- Vegan
Questions and answers
- Is nattokinase worth taking?
- Nattokinase is studied for clot-related and circulation effects, but human evidence is limited and mixed. It is a reasonable option if a clinician has suggested it; it is not a substitute for heart medication.
- Can I take it with blood thinners?
- Nattokinase can affect clotting, so combining it with warfarin, aspirin or other blood thinners raises bleeding risk. Ask a doctor before combining them.
- When should I take it?
- The label suggests one capsule daily between meals. Some users take it on an empty stomach in the morning; consistency matters more than the exact hour.
- Does it contain vitamin K2?
- The formula centers on nattokinase at 2,000 FU per capsule. Some product listings mention vitamin K2, so check the Supplement Facts panel on the bottle you receive.
- Is it vegan and gluten free?
- Yes. The capsule is a veggie capsule, and the formula is labeled vegan, non-GMO and gluten free. It does contain soy, since nattokinase is soy-derived.
- When is the price lowest?
- The best new price was $14.99 at Amazon as of November 4, 2026, near the bottom of its recent range. Subscribe-and-save and multi-bottle listings often beat single-bottle prices.
- Where is the Doctor's Best Nattokinase 2,000 FU cheapest?
- At Amazon, for $14.99, as of our latest check.
- Where can I buy the Doctor's Best Nattokinase 2,000 FU?
- 7 stores we checked sell it, including Walmart, Vitacost.com, iHerb, Target, The Vitamin Shoppe.
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