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Doctor’s Best Nattokinase, 2000 FUs
Doctor’s Best Nattokinase, 2000 FUs provides nattokinase, the enzyme from Japanese fermented soybeans, with its activity measured at 2000 fibrinolytic units. Presented in vegetarian capsules, it is available in 2 sizes, including a value 270-capsule bottle.
Description
Doctor’s Best Nattokinase, 2000 FUs – Natto Enzyme Capsules
Doctor’s Best Nattokinase 2000 FU offers the natto enzyme in vegetarian capsules, with its strength labelled by activity rather than weight. Nattokinase is produced when soybeans are fermented with Bacillus subtilis var. natto to make natto, a traditional Japanese food. Doctor’s Best, a Californian brand known for science-based formulations, states 2000 FUs (fibrinolytic units) per serving, a standard way of expressing enzyme activity.
Key Features of Doctor’s Best Nattokinase
- 2000 FUs: enzyme activity measured in fibrinolytic units for consistent labelling.
- From fermented soybeans: derived from natto, a centuries-old Japanese food.
- Vegetarian capsules: plant-based capsule shells.
- Two sizes: choose 90 or the better-value 270 capsules.
- Trusted brand: Doctor’s Best has focused on research-based supplements since 1990.
Who Is It For?
For adults interested in Japanese food traditions and enzyme supplements who want nattokinase with clearly stated activity. It suits those who prefer established brands and like to buy in bulk to save money over time.
Flavours & Sizes
Doctor’s Best Nattokinase, 2000 FUs is available in 90 vcaps and 270 vcaps.
FAQs
What does FU mean?
FU stands for fibrinolytic units, a measure of enzyme activity used for nattokinase instead of weight.
Does it contain soy?
Nattokinase is produced from fermented soybeans, so check the label on your pack for allergen information.
Why Shop With Lotty8 Supps?
- Genuine, factory-sealed products – sourced through established UK sports-nutrition wholesale distribution. Never repackaged, never grey-market.
- Fast dispatch – orders placed before 1pm on a working day are dispatched the same day with Royal Mail Tracked 48.
- Low-cost UK delivery – £3.99 per order, free on orders over £100. See our Delivery & Returns page.
- Hassle-free returns – full details on our Delivery & Returns page.
- Top brands in one place – Applied Nutrition, BioTechUSA, SciTec, NOW Foods, Doctor’s Best and many more.
- Real people, real help – questions about a product or your order? Contact the Lotty8 team.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Formulations and packaging can change – always read the label on the product you receive before use.
Take the number of capsules shown on the label with water, ideally between meals unless directed otherwise. Enzyme supplements of this type may not be suitable for people taking blood-thinning medication, anyone with a bleeding disorder, or before surgery, so speak to your GP first.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Doctor's Best
- Product: Doctor's Best Nattokinase, 2000 FUs
- Sizes available: 90 vcaps, 270 vcaps
- Country of origin: United States
Country of origin: United States
Best before: shown when you choose an option.
Additional information
| Weight | N/A |
|---|---|
| Size | 270 vcaps, 90 vcaps |
| Country of Origin | United States |












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