Nattokinase

Nattokinase (CAS 133876-92-3) is a serine protease extracted from traditional Japanese natto, produced via submerged fermentation of Bacillus subtilis natto.

We supply it as a white to off-white powder with enzyme activity ≥20,000 FU/g (or custom strengths up to 40,000 FU/g),

standardized for consistent performance in supplement and functional food applications.

This enzyme exhibits strong fibrinolytic activity in vitro, making it a preferred ingredient in cardiovascular health and blood flow support formulations.

Our production process ensures high stability and low allergenicity, with full documentation for regulatory compliance.

Synonyms: Subtilisin NAT, Bacillus subtilis nattokinase, NK, Nattokinase 2000 FU, Nattokinase 40000 FU

Applications

• Cardiovascular health supplements (capsules, tablets, powders)
• Blood circulation support and fibrinolytic enzyme blends
• Sports nutrition for recovery and blood flow
• Functional foods and beverages

Quality & Documentation

Every batch is tested for enzyme activity (FU/g), loss on drying (≤5.0%), and heavy metals (≤10 ppm). Full COA, MSDS, and TDS are provided per shipment; stability data available on request.

Packaging & Supply

Standard packaging: 1 kg, 5 kg, 25 kg; custom packing available. In-stock items ship within 3-5 days; MOQ from 1 kg. Contact our sales team for pricing and samples.

Request For Quote

• Our Address: 280 Main Street, Xian, Shaanxi, China
• LyvBio Co., Ltd. — Email: info@lyvbio.com