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Doctor's Best, Best Serrapeptase, 40,000 SPU, 270 Veggie Caps


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Doctor's Best, Best Serrapeptase, 40,000 SPU, 270 Veggie Caps

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Doctor's Best, Best Serrapeptase, 40,000 SPU, 270 Veggie Caps

In Stock
270 Vegetarian Capsules
90 Vegetarian Capsules
270 Vegetarian Capsules
  • Expiration Date: 06/2020
  • Shipping Weight:
    0.47 lbs
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  • Product Code: DRB-00190
  • UPC Code: 753950001909
  • Package Quantity: 270 Vegetarian Capsules
  • Dimensions:
    5.4 x 3.2 x 3.2 in, 0.4 lbs
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Product Overview


  • Science-Based Nutrition
  • Helps Support Healthy Sinuses
  • Helps Breakdown Unwanted Proteins
  • Dietary Supplement
  • Vegan
  • Non-GMO
  • Gluten-Free

Serrapeptase is a proteolytic enzyme found in the digestive tract of the Japanese silkworm and has been used as a nutritional supplement in Europe and Asia for over three decades. Serrapeptase is formulated with Serrateric, a superior alternative to enteric coating that protects the individual enzyme until it reaches the intestine for optimal absorption.

Suggested Use

Adult Use: Take 1 capsule up to 3 times daily without food, or as recommended by a nutritionally-informed physician.

Other Ingredients

Cellulose, serrateric, modified cellulose (vegetarian capsule).


Store in a cool dry place.

Supplement Facts
Serving Size: 1 capsule
Servings Per Container: 270 servings
  Amount Per Serving % Daily Value
Calcium (from Serrateric) 24.5 mg 2%
Serrapeptase enzyme (serratiopeptidase activity units) 40,000 SPU
† Daily Value not established.
iHerb Customer Reviews

Great product at an exceptional price.

Posted by iHerb Customer on Dec 16, 2017 | Verified Purchase

This product combined with Nattokinase is one of the best ways to improve blood health problems, speaking from experience of having bi lateral pulmonary embolisms 4 times over 7 years and having to use pharmaceutical drugs (warfarin) with side effects of bleeding gums, nose and bruising. Serrapeptase has helped in removing the clots and have kept my lungs clear for over a year.

Thanks for your feedback!


Posted by iHerb Customer on Dec 06, 2017 | Verified Purchase

Super great! It has helped cured my congested nose and bronchi!

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No effect

Posted by iHerb Customer on Oct 24, 2017 | Verified Purchase

1 month, no difference in terms of scars

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First time use

Posted by iHerb Customer on Oct 24, 2017 | Verified Purchase

Trying this for the first time. Have read that it can help reduce inflammation. Not sure after 2 weeks if it does this but I have had no adverse reaction and am happy to continue taking them. Arrived very quickly.

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Definite Improvements

Posted by iHerb Customer on Oct 09, 2017 | Verified Purchase

My herbalist recommended this supplement as I have constant hay fever, sinus infections and a cold that never seems to go away...or at least I had! I started taking these in April. I didn't really notice a difference until around June / July. This summer my sinuses dried up. I barely noticed any hay fever, have not had any problems with my sinuses since taking them and am like a different person. I no longer need to keep blowing my nose! I was taking 3 a day so recently just changed to the high potency. I believe there are many other health benefits to this enzyme. It is said to heal scar tissue, help with inflammation, aid digestion. I take it first thing in the morning.

Thanks for your feedback!