Dietary Supplement Label Database

Nattokinase

On market
Photo of the Signature Supplements Nattokinase label
Photo of the label, from the NIH's original record · Open full size ↗
Supplement Facts
Serving Size 2 Capsule(s)
Servings Per Container 50
Amount Per Serving% Daily Value
Nattokinase100 mg†
† Daily Value not established.

Other ingredients: Cellulose, Diatomaceous Earth

% Daily Values for: Adults and children 4 or more years of age.

Where this label comes from

An original label of the NIH's Dietary Supplement Label Database, entered there on 22 August 2025, shown here as it was entered. The NIH's record · picture of the label (PDF)

General information

Product name
Nattokinase
Brand
Signature Supplements
Barcode (UPC)
Not printed
Net contents
100 Capsule(s)
Market status
On market
DSLD ID
338871

Classification

Supplement form
Capsule
Product type
Non-Nutrient/Non-Botanical
Claim types on the label
All Other, Structure/Function
Intended for
Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free

Label statements

Formulation: Does NOT Contain: No: Chemical Fillers or Binders, Artificial coloring, artificial flavor, preservatives, yeast, corn, milk or milk derivatives, lactose, salt, sodium, soy, sugar, gluten, starch or wheat.

Precautions: Children: Keep out of reach of children. Not intended for use by persons under the age of 18

Storage: Store in a dry place and avoid excessive heat.

FDA Statement of Identity: Dietary Supplement

Directions: Directions: For adults, take two (2) capsules daily, more if needed.

Precautions: Pregnant or Nursing or Prescription Medications: Warning: Pregnant or lactating women should consult a doctor before using any product. Consult doctor before use if you have, or have had, kidney disease, if you are on a magnesium-restricted diet or if you are taking any medications or remedies such as those to treat high blood pressure, heart medications, muscle relaxants or diuretics.

Precautions: All Other: Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort or low blood pressure.

Formula: Contains: Nattokinase is an enzyme isolated from the traditional Japanese soy food natto. Non-GMO soybeans are boiled and fermented with friendly bacteria. Nattokinase supports healthy blood flow.

Formulation: Does NOT Contain: Non-GMO soybeans are boiled and fermented with friendly bacteria.

Brand information

Manufactured for: Signature Supplements, San Clemente, CA

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.