Source Naturals NSK-SD Nattokinase, Systemic Enzyme for Healthy Circulation* 100mg – 60 Vegan Capsules

Price: $21.24
(as of Oct 23, 2025 15:11:05 UTC – Details)

From the brand

Source Naturals

Unlocking Wellness, Transforming Lives

High Demand Products

Source Naturals’ comprehensive Bio-Aligned Formulas® help bring the power of alignment to your body. When formulating, we evaluate the underlying causes of system imbalances, and then provide targeted nutrition to interdependent body systems. Our line of more than 600 products also includes well-researched, single-entity nutrients in their highest quality and most bioavailable forms.

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How did we get our start?

Source Naturals® was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key.*

What makes our products unique?

The brand is renowned for its Bio-Aligned Formulas rooted in an integrative health philosophy.

What problem are we solving?

We have over 600 unique products spanning from immune, sleep, mood, and vision support to heart and brain health, and more.

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Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.3 x 1.3 x 1.6 inches; 1.28 ounces
Item model number ‏ : ‎ SN1885
Date First Available ‏ : ‎ November 22, 2004
Manufacturer ‏ : ‎ Source Naturals
ASIN ‏ : ‎ B000GFJK96
Best Sellers Rank: #39,343 in Health & Household (See Top 100 in Health & Household) #173 in Multi-Enzyme Nutritional Supplements
Customer Reviews: 4.6 4.6 out of 5 stars 258 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.
Assists the circulatory clearing system of the body.*
Encourages healthy blood flow
Delivers a patented form of nattokinase (NSK-SD ), a systemic enzyme that works throughout the body.
Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)