NSK-SD Nattokinase 36 mg®
Non-Nutrient / Non-BotanicalBrand: Source Naturals
Functions
Net Contents
90 Softgel(s)
Serving Size
1–2 Softgel(s)
Servings Per Container
45
Supplement Form
Softgel Capsule
Bar Code (UPC/SKU)
0 21078 01725 7
Product Version
SN1725 REV C112 FG-88228
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Egg
- Wheat
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1–2 Softgel(s) · 3 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Nattokinase | 72 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: 1 to 2 softgels three times daily on an empty stomach with 8 ounces of water.
Warnings & Precautions
Precautions re: All Other
Do not use if either tamper-evident seal is broken or missing.
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Warning: Do not use if you have a blood coagulation or blood pressure disorder.
Precautions re: Pregnant or Nursing or Prescription Medications
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.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
Systemic enzyme for healthy circulation
Formula re: Contains
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.
Formulation re: Does NOT Contain
Contains no yeast, dairy, egg, gluten or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance.
FDA Statements
FDA Statement of Identity
Dietary Supplement
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.
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
NSK-SD is a trademark of Japan Bio Science Laboratories.
Brand IP Statement(s) re: (c), (TM), (SM)
Copyright SOURCE NATURALS, INC.
Manufacturer & Distributor
Distributor
Source Naturals, Inc.
P. O. Box 2118, Santa Cruz, CA, 95062
Market Reference
Nattokinase mg Source Naturals
Herbs Direct4.8(182)$11.10Klaire Labs Sfi Health Nattokinase Nsk-Sd
Milltown Pharmacy$44.99Pure Naturals Nattokinase 100 mg 90 Veggie Capsules
Walmart - Vitaminshub$9.99LowestNatto NSK Mega
TensNet.com$48.00Nattokinase 4000 FU 2 bottles - 240 capsules (8-month supply)
us.pureclinica.com5.0(2)$39.93Vitacost Nattokinase NSK-SD 2000 FU 90 Capsules
iHerb5.0(27)$25.99Best Naturals High Potency Nattokinase 4000 FU Per Serving/ 200 mg Per Serving
Walmart - Best Naturals4.1(7)$19.99Biomed Nattokinase NSK-SD
thearcticpure.com4.4(167)$54.39
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
HAWAII DISCOUNT VITAMINS SUPERSTORE - HONOLULU
4.9 (307)Vitamin & supplements store
1600 Kapiolani Blvd Ste 121, Honolulu, HI 96814
GNC
4.0 (13)Vitamin & supplements store
4211 Waialae Ave, Honolulu, HI 96816
Designer Body & Nutrition
4.9 (25)Sports nutrition store
575 Cooke St, Honolulu, HI 96813
The Vitamin Shoppe
4.1 (89)Vitamin & supplements store
1450 Ala Moana Blvd Space 1305, Honolulu, HI 96814
Distinct Supplements
Vitamin & supplements store
2630 Kapiolani Blvd, Honolulu, HI 96826
GNC
1.6 (8)Vitamin & supplements store
755 Kapahulu Ave Space 4, Honolulu, HI 96816
GNC
4.1 (75)Vitamin & supplements store
1450 Ala Moana Blvd #1211, Honolulu, HI 96814
Wellbeing &Organic World LLC 웰빙오가닉월드
4.6 (16)Vitamin & supplements store
1921 Kalākaua Ave, Honolulu, HI 96815
Research & Studies
Toxicological assessment of nattokinase derived from Bacillus subtilis var. natto
BJ Lampe, JC English - Food and Chemical Toxicology, 2016 - Elsevier
… of nattokinase in a more comprehensive manner, several GLP-compliant studies in rodents and human volunteers have been conducted with the enzyme product, NSK-SD (… in healthy …
201679 citationsEffect of Nattokinase on the Blood Flow Improvement in Healthy Subjects
N Watanabe, S Takaoka, S Uehara, M Ota - i-natural.com.hk
… Also, soft capsules, containing dextrin instead of Fermented Soybean Extract NSK-SD, were used. both test diet and placebo capsules have the same size (diameter: 10.9mm, minor axis…
Safety of fermented soybean extract NSK‐SD® as a novel food pursuant to Regulation (EC) No 258/97
EFSA Panel on Dietetic Products, Nutrition and … - EFSA …, 2016 - Wiley Online Library
… In a pilot study in humans (Ero et al., 2013), 11 healthy participants (six females, five males, aged 21–65 years) ingested a single dose of 100 mg nattokinase in softgel form (NSK-SD) …
20163 citationsNattokinase–Uses and benefits
M Hristova - TJS, 2023 - researchgate.net
… The effect of NK on fibrinolysis and FDP was studied in healthy volunteers who were taking nattokinase for 4 days. The serum FDP concentration was measured before the nattokinase …
20231 citationsPreserving the activity of attenuating atherosclerosis of nattokinase in gastrointestinal system by NK/SA/CS microcapsules
M Xie, M Yang, Z Wang, S Cheng, M Du - Food Bioscience, 2024 - Elsevier
The study focused on the role of Nattokinase/Sodium alginate/Chitosan microcapsules (NK/SA/CS microcapsules) in preserving nattokinase activity in the gastrointestinal system and …
20249 citationsA safe and efficient method to retrieve mesenchymal stem cells from three-dimensional fibrin gels
B Carrion, IA Janson, YP Kong… - … Engineering Part C …, 2014 - journals.sagepub.com
… Kazuya Ogasawara from Japan Bio Science Laboratory Co., Ltd., Oita, Japan, for the kind gift of the nattokinase (NSK-SD) extract used in this study. We also acknowledge Dr. Mohamed …
201457 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-01-23. DSLD Label ID: 273339. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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