Nattokinase 50 mg

by SuperSmart · softgel capsule · 60 softgels

  • Off the market since April 2021 (NIH)
  • DSLD label 222802
  • Serving 2 to 4 softgels; amounts per 4 softgels
  • 15 servings

Nattokinase 50 mg by SuperSmart lists 2 ingredients, 2 with an amount per serving of 4 softgels, such as 200 mg of nattokinase and 40 mg of D-alpha-tocopherol. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in Nattokinase 50 mg?

Each row as the label prints it, per serving of 4 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).

Nattokinase 50 mg: Supplement Facts rows against the market (DSLD label 222802, January 2026 release)
IngredientAmount% DVAmong products listing it
Nattokinase200 mgNattokinase in Nattokinase 50 mg against 141 products200 mg per serving; the middle half of products list 50 mg to 100 mg, the median 100 mg.200 mg

Higher than 91% of 141 products listing nattokinase (median 100 mg).

D-Alpha-Tocopherol40 mg333%

Source: NIH ODS Dietary Supplement Label Database, label 222802 (entered June 24, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 200 mg of nattokinase is higher than 91% of the 141 nattokinase products that print an amount; 2 list more.

The NIH database records one serving 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?

3 products list the very same ingredients; the nearest amounts come first.

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
Recommended Use: Adults. Take two to four softgels a day.
Warnings
Precautions: Contains soya lecithin.
Do not exceed the recommended daily dose. This product is a nutritional supplement and should not replace a varied, balanced diet.
Keep out of children's reach.
As with any nutritional supplement, you should consult a health professional before taking this product if you are pregnant, breastfeeding or have a health problem.
Storage
Store away from direct light, heat and humidity.

Source: label statements in DSLD label 222802.

What else is on the label?

Other ingredients: Soya Lecithin, White Rice Bran Oil, Beeswax.

How many labels does Nattokinase 50 mg have?

One label is on file, entered on June 24, 2020.

  1. Label 222802 (current) Entered June 24, 2020 · off the market April 28, 2021 · 60 softgels

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Smart Nutrition S.A. (distributor), Luxembourg, Luxembourg. All SuperSmart products.

Where next?