Product Overview
General Information
- Product Name
- Nattokinase, NSK-SD®
- Brand
- Source Naturals Products in this brand
- Bar Code
- 0 21078 01723 3
- Net Contents
- —
- Market Status
- On Market
- Date entered into DSLD
- 31 October 2026
- DSLD ID
- 352864
Product Classification
- Product Type
- Non-Nutrient/Non-Botanical
- Supplement Form
- Softgel Capsule
- Dietary Claim(s) or Use(s)
- Structure/Function, All Other
- Intended Target Group(s)
- Adult (18 - 50 Years), Gluten Free, Dairy Free
Label Information
Supplement Facts
- Daily Value (DV) Target Group(s)
- —
- Serving Size
- 3 Softgels
- Alternate Serving Size
- —
- Servings per Container
- 20
| Nattokinase (as NSK-SD®) | 100 mg† | † |
Other ingredients: soybean oil, gelatin, glycerin, beeswax, glycerin fatty acid ester, and soybean lecithin.
Label Statements
Formula re: Contains: Contains soy.
Formulation re: Does NOT Contain: Contains no yeast, dairy, egg, gluten or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance.
Product Specific Information: 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.*
Product Specific Information: NSK-SD® is a trademark of Japan Bio Science Laboratories.
Suggested/Recommended/Usage/Directions: 1 to 3 softgels three times daily on an empty stomach with 8 ounces of water.
Precautions re: All Other: WARNING: Do not use if you have a blood coagulation or blood pressure disorder. Consult your health care professional before taking this product if you are taking any drug that affects blood coagulation or blood pressure such as prescription vitamin K, heparin, warfarin (Coumadin®), diuretics, ACE inhibitors, or beta blockers, or if you are pregnant, may become pregnant, or breastfeeding. Bee products may cause an allergic reaction in some people. Discontinue use if this occurs. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Contains soy.
Storage: STORE IN A COOL, DRY PLACE.
FDA Disclaimer Statement: *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Brand Information
Manufactured for: Source Naturals, Inc., P.O. Box 2118, Santa Cruz, CA 95062
Source: Reverse Age Lab, October 2026
More labels from Source Naturals
Other labels with this ingredient
Labels only: each label is shown as printed on the bottle, with no grades, rankings or advice. A label in this database is not an endorsement of the product. Read the label on the bottle you buy: makers change their formulas. Reverse Age Lab is not affiliated with, or endorsed by, the National Institutes of Health or its Office of Dietary Supplements. The original labels come from the NIH’s public-domain data; the labels since are read by us. Search the Dietary Supplement Label Database.




