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Doctor's Best
Best High Potency Serrapeptase 120000 SPU 90 Capsules

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Item #: 34-23
90 Caps

Doctors Best Best High Potency Serrapeptase Description

  • 120,000 Serratiopeptidase units per Veggi cap
  • Science-based nutrition
  • Dietary supplement
  • Suitable for vegetarians

Serrapeptase is a proteolytic enzyme isolated from the non-pathogenic bacteria Serratia species found in the digestive tract of the Japanese silkworm. The enzyme is used by the worms to digest their cocoons. Serrapeptase has been used as a nutritional supplement in Europe and Asia for nearly three decades. Each vegetarian capsule of Best Serrapeptase contains enteric-coated pure serrapeptase designed for optimal absorption in the intestinal tract.

Serrapeptase has been widely used in Japan and Europe for decades. Dr. Hans Nieper, a legendary medical doctor known for his extensive use of proteolytic enzymes, named it the “Miracle Enzyme” because of its unique abilities. Serrapeptase is made by the bacteria Serratia E15 found in the digestive tract of silkworms, which harness the serrapeptase enzyme to break down food and the walls of their silk cocoons as they emerge in their moth state.

Promotes a normal, balanced inflammatory and immune response

Proteolytic enzymes function in the body to digest and break down proteins into their amino acid components. When taken as supplements away from meals, these enzymes enter the bloodstream and are available to facilitate chemical reactions throughout the body. They work in part by helping to support a healthy inflammatory response and by modulating the immune system. Serrapeptase may facilitate a more balanced release of bradykinin (presumably downplaying bradykinin receptor B1 activity).

In terms of strength, serrapeptase recently demonstrated a greater ability to promote a balanced inflammatory response compared with two powerful proteolytic enzymes secreted by the human pancreas, chymotrypsin and trypsin.

Supports healthy mucus and sinus function

Serrapeptase has been used for years in Japan for supporting healthy sinus function. Studies thus far suggest that serrapeptase is a promising, safe, and useful supplement to help support the immune system and promote favorable viscosity of nasal mucus. In one controlled and randomized open-label study, researchers observed the effects of 30 mg/day (equivalent to ~ 60,000 units of activity) of serrapeptase on the sputum of 29 individuals. After 4 weeks, those taking serrapeptase had significantly less morning sputum, and it was thinner and less elastic in nature compared to those taking placebo. The serrapeptase group also had fewer neutrophils in their sputum, signifying a more balanced immune response.


Doctor's Best discloses the potency details of Serrapeptase so you know exactly what you're getting. Enzyme strength is measured in terms of activity. Enzymes may be present, but unless they are functional, they will not be useful. Instead of being measured by weight (such as in milligrams), the important measurement with enzymes is the activity and potency of the enzyme. A product label should list enzyme strength in standard activity units rather than by weight. To meet your individual needs, there are two levels of potency to choose from with Best Serrapeptase enteric-coated vegetarian capsules—either 40,000 or 120,000 Serratiopeptidase units.

Suggested Use:

Take 1 capsule daily away from food.

Other Ingredients:

Cellulose, vegetarian capsule (cellulose, water), enteric coating (HPMCP).

Contains nothing other than listed ingredients.

View All Doctor's Best
View All Vitamins & Minerals > Enzymes
View All Vitamins & Minerals > Condition-Specific > Cardiovascular
View All Vitamins & Minerals > Condition-Specific > Immune Support > Sinus Care

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Supplement Facts
Supplement Facts
Serving Size: 1 Capsule
Servings per Container: 90
Amount Per Serving %DV
Serrapeptase (enteric coated capsule) 120,000Units
†Daily Value not established

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Avg. rating: 4.4 out of 5 based on 10 reviews
5 Star Rating

excellent product reasonably priced

5 Star Rating

My husband had been purchasing Sarrapeptase and really liked it. I decided to try it and thats why I placed an order. I feel it is helping with some issues that I have. I will continue taking it as I have no side effects or any other problems.

5 Star Rating

I had a collapsed lung and developed scar tissue that hurts when I dont take these....awesome pills
Price is right.

3 Star Rating

SHipping and price are good. I think this product causes a little muscle pain if I take too much. Works okay for what it says it works for.
5 Star Rating

Excellent product. Reduces inflammation and improves digestion..
No comment

1 Star Rating

I am new to the product and am only really testing it. No informed decision until further down the track
Great natural product

5 Star Rating

Excellent product. Serrapeptase worked wonderfully on my nasal polyps. The delivery was timely.
5 Star Rating

Serrapeptase is truly a five star product
5 Star Rating

The best value for the money. Should have discovered this a long time ago.
5 Star Rating

I cannot comment on the product itself as I have only been using it for a few days. I received exactly what I ordered, very fast, good price, and the product had long validity (approx. 3 years), no damage or tampered with in any way. I will buy here again.

Read All 10 Doctor's Best Best High Potency Serrapeptase 120000 SPU 90 Capsules reviews
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