NSK-SD Nattokinase 36 mg
by Source Naturals · softgel capsule · 90 softgels
- On the market (NIH)
- UPC 0 21078 01725 7
- DSLD label 273339
- Serving 1 to 2 softgels; amounts per 2 softgels
- 45 servings
NSK-SD Nattokinase 36 mg by Source Naturals lists one ingredient: 72 mg of nattokinase per serving of 2 softgels. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.
What is in NSK-SD Nattokinase 36 mg?
Each row as the label prints it, per serving of 2 softgels. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| NattokinaseProviding 1,440 Fibrinolytic Units (FU) of Activity | 72 mg | 59% of 141 products listing nattokinase give more (median 100 mg). Per day at the most servings: 216 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 273339 (entered January 23, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- Nattokinase 36 mg NSK-SDAllergy Research Group · off the market same ingredients
- NattokinaseSource Naturals · off the market same ingredients
- NattoZyme Nattokinase 36 mgNutriCology same ingredients
- Nattokinase 36 mgAllergy Research Group same ingredients
- Nattozimes 65 mgSwanson same ingredients
- The Circulation SolutionHealth Resources same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: 1 to 2 softgels three times daily on an empty stomach with 8 ounces of water.
- Warnings
- Do not use if either tamper-evident seal is broken or missing.
- Keep out of the reach of children.
- 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.
- Allergens and what it does not contain
- Contains no yeast, dairy, egg, gluten or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 273339.
What else is on the label?
Other ingredients: Soybean Oil, Gelatin, Glycerin, Beeswax, Glycerin Fatty Acid Ester, Soybean Lecithin.
How many labels does NSK-SD Nattokinase 36 mg have?
One label is on file, entered on January 23, 2023.
- Label 273339 (current) Entered January 23, 2023 · on the market · 90 softgels · UPC 0 21078 01725 7
DSLD also links this label to: Nattokinase (image difference, same product), NSK-SD Nattokinase (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.