Other ingredients
Cellulose; Diatomaceous Earth
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Signature Supplements
Nattokinase
Capsule
Serving size2 Capsule(s)
Servings per containerNot listed
Package100 Capsule(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 2 Capsule(s)
Nattokinase100 mgDV not established
Label directions
Directions: For adults; take two (2) capsules daily; more if needed.
Label warnings
Keep out of reach of children. Not intended for use by persons under the age of 18 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. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or low blood pressure.
Identity and label version
NIH label record338871
Entered into NIH DSLDAug 22, 2025
UPC / GTINNot listed
Manufacturer / distributor on labelSignature Supplements
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (1)
Current labelNIH record 338871Entered Aug 22, 2025
Nattokinase100 mg
Label warning: Keep out of reach of children. Not intended for use by persons under the age of 18 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. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or low blood pressure.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from Signature Supplements
Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.