Serracor-NK – 300 Vegetarian Capsules – Circulatory and Respiratory Support – Natural Systemic Enzymes Formula – Contains Acid-Resistant Serrapeptase & Acid-Resistant Nattokinase

Price: $124.99 - $121.98
(as of Oct 23, 2025 21:07:09 UTC – Details)

From the brand

How did we get our start?

Our Master Enzymologist has over 50 years of enzyme experience and since then we have created countless variations of enzyme and probiotic formulas to support gut, systemic, and immune wellness.

Why do we love what we do?

We value the well-being of our customers and truly love hearing testimonials about how our products have helped enhance their quality of life.

Products to help you thrive.

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 3 x 3 x 5.5 inches; 4 ounces
Item model number ‏ : ‎ 310
Date First Available ‏ : ‎ January 2, 2013
Manufacturer ‏ : ‎ AST Enzymes
ASIN ‏ : ‎ B00AVQCTW0
Best Sellers Rank: #161,347 in Health & Household (See Top 100 in Health & Household) #732 in Multi-Enzyme Nutritional Supplements
Customer Reviews: 4.7 4.7 out of 5 stars 114 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Advanced systemic enzyme formula: Serracor-NK is a powerful blend of Acid-Resistant Serrapeptase and Nattokinase, systemic enzymes studied for their fibrinolytic properties, with herbs, CoEnzyme Q10 and magnesium.*
Achieve: The combination of Serrapeptase and Nattokinase used in addition to a complete array of proteolytic enzymes, makes Serracor-NK a unique blend designed to support well-being and circulation*
Quality Assured: All products by AST Enzymes are manufactured in the USA, free of animal derivatives, dairy, yeast, fish or shellfish, peanuts, and tree nuts.