Product overview
About Nattokinase Circulatory Systemic Enzymes
Manufacturer information
Isolated, purified and encapsulated nattokinase, an enzyme derived from boiled soybeans and a selected, patented strain of Bacillus subtilis natto. Nattokinase NSK-SD® was the first nattokinase introduced into the US market, and it has established standardization and quality levels for all nattokinase, with comprehensive safety studies and proven potency. It is vegetarian, non-irradiated, and free of vitamin K2. NSK-SD® has two Japanese and three U.S. patents, and is recognized by the JHFA (Japan Health and Nutrition Food Authorization) and JNKA (Japan Nattokinase Association) as authentic nattokinase. NSK-SD® is a trademark of Japan BioScience Laboratory.
Source note: Fullscript public storefront, reviewed August 29, 2026. Review current source ↗
Searchable label details
Supplement Facts and ingredients
Supplement FactsServing size: 1 SoftgelServings per container: 60
Nattokinase NSK-SD®100 mg
Other ingredients
Soybean oil, gelatin, glycerin, soybean lecithin, glycerin fatty acid ester, and beeswax.
Formulation attributes
cGMP
Current label guidance
Suggested use and safety information
Suggested use
As a dietary supplement, 1 softgel two times daily initial dose, or as directed by a healthcare practitioner. May be taken with or without food. Take with 8-10 ounces of water. If taken with anticoagulant drugs, use under medical supervision.
Warnings
Keep in a cool, dry place, tightly capped.
Sunridge Medical editorial
How we place this product in context
Sunridge perspective
Nattokinase Circulatory Systemic Enzymes is included in Sunridge Medical’s Cardiovascular Support collection so patients can review its current label, format and ingredient profile alongside related professional products. The appropriate product, dose and timing depend on individual needs, medications and the wider care plan.
Why it appears in our catalog
This softgel appears in the Sunridge catalog because it is available through our Fullscript dispensary and can be evaluated alongside other cardiovascular support options. We value clear variant identification, accessible label details and a secure professional-dispensary purchase path.
Ingredient explanations
Nattokinase NSK-SD®
This label ingredient is included at 100 mg. Evaluate its role as part of the complete formula, not in isolation.
Evidence and claims
Ingredient research does not automatically establish that a finished product is appropriate for an individual. Manufacturer structure/function claims are manufacturer statements, not Sunridge treatment claims.
Questions before ordering
Frequently asked questions
What form and package size is this product?
Softgel · 60 Softgels. Confirm the variant on Fullscript.
Where can I verify the current ingredients?
Use the searchable Supplement Facts above and the linked Fullscript page to confirm the latest label.
How should I use this supplement?
As a dietary supplement, 1 softgel two times daily initial dose, or as directed by a healthcare practitioner. May be taken with or without food. Take with 8-10 ounces of water. If taken with anticoagulant drugs, use under medical supervision.
Can I take this with prescriptions or cancer treatment?
Ask the clinician managing your care to review the complete ingredient list, dose and timing. Supplements can interact with prescriptions and treatment plans.
Why might two products with a similar name be different?
Professional formulas can differ in ingredient form, dose, serving size, delivery system, excipients and testing. Compare the full label and variant rather than relying on the front-panel name.
Connect products to the wider care plan
Patients exploring cardiovascular support also consider
These links are educational pathways for discussion with the Sunridge care team. They do not mean that every test, protocol or product is appropriate for every patient.