Source Naturals Nattokinase 33 mg Systemic Enzyme for Healthy Circulation – 90 Softgels

Price: $33.89
(as of Oct 23, 2025 21:11:08 UTC – Details)


Nattokinase is a systemic enzyme isolated from the traditional Japanese soy food natto. It has been shown to support healthy blood flow by assisting the circulatory clearing system of the body.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.3 x 1.3 x 1.6 inches; 0.8 ounces
Item model number ‏ : ‎ SN1725
Date First Available ‏ : ‎ January 19, 2007
Manufacturer ‏ : ‎ Threshold Enterprises
ASIN ‏ : ‎ B0014H3A8M
Best Sellers Rank: #370,306 in Health & Household (See Top 100 in Health & Household) #1,347 in Multi-Enzyme Nutritional Supplements #2,756 in Digestion & Nausea Medicine
Customer Reviews: 4.5 4.5 out of 5 stars 71 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); } }); });
Nattokinase is a systemic enzyme isolated from the traditional Japanese soy food natto
Suggested Use: 1 capsule three times daily on an empty stomach with 8 ounces of water.
Well Made Supplement: Contains soy. Contains no yeast, dairy, egg, gluten or wheat. Contains no sugar, preservatives, or artificial color, flavor or fragrance.
Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health.
Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)