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Doctor's Best

Natto-Serra

Natto-Serra

Item |  DB228

  • Nattokinase & serrapeptase enzymes



  • Supports the circulatory & immune systems



  • Science-based nutrition


90 Veg Caps

$22.67
MSRP $37.99
Extra 40%
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Quantity
In Stock

Supplement Facts

Serving Size 1 veggie capsule

Servings per container 90 servings

  Amount per serving % Daily Value
Calcium (from Serrateric™) 25 mg 2%
Serrapeptase enzyme(serratiopeptidase activity units) 40,000 SPU †
Nattokinase (fibrinolytic activity units) 2,000 FU †

† Daily Value not established.

Other Ingredients: Serrateric™, modified cellulose (vegetarian capsule). Contains Soy

Suggested Adult Use: Take 1 capsule daily without food, or as recommended by a nutritionally-informed physician.

Warning: Do not use this product if you are pregnant or nursing, are allergic to soy, or if you are taking blood-thinning medication, consult a physician before taking this product.

Store in a cool dry place.

  • Non-GMO
  • Gluten Free
  • Vegan™
  • Veggie Caps

Serrateric™ is a trademark of Deerland Enzymes, Inc.

Shipping Weight

.16 lbs

  • Nattokinase & serrapeptase enzymes



  • Supports the circulatory & immune systems



  • Science-based nutrition


Doctor's Best® Natto-Serra is a unique formula combining two natural enzymes that have been used as dietary supplements for decades. Together, serrapeptase and nattokinase help support the circulatory and immune systems. This supplement is non-GMO and gluten free.

Rated 1 out of 5 by from Did Not remove... I used this for years thinking it would remove build-up..., but it did Not! I'll try Natto?
Date published: 2017-04-25
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Swanson Quality Assurance

Why Shop Swanson®?

We know how important your health is to you and your loved ones. That’s why we’re focused on delivering only high quality products you can trust at the best value.

Our lab evaluates every product to make sure it’s compliant with strict standards and government regulations, and we fully believe in and stand behind our products. If you’re dissatisfied for any reason, we’ll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

Learn More

90 Veg Caps

Looks like this is the only size we have. Click here to request a new size.
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*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

For our website and catalog, the MSRP is the "Manufacturer's Suggested Retail Price." The MSRP is understood to mean the price at which a manufacturer will recommend a retailer sell a product for in stores, on the internet, or in catalogs. The MSRP of National brand items are dictated to Swanson by each manufacturer. For Swanson brand items, the MSRP is calculated based on a varying percentage above the product's base price.

Sales Tax: Sales tax indicated at checkout is an estimate. The sales tax charged to your credit card is calculated when your credit card charge is authorized on the date of shipment. Sales tax charged reflects any applicable state and local taxes.

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