Short answer: Nattokinase is an enzyme derived from fermented soybeans, studied for its relationship to healthy blood flow and circulation — and carries a specific interaction worth understanding.
Why "derived from fermented soybeans" is a specific, checkable origin
This names the exact source of this enzyme, distinct from a vague "natural enzyme" claim, worth researching further if you're unfamiliar with it.
Why this ingredient has its own dedicated blog post
The formula's own materials link directly to "Nattokinase, Explained," covering what this enzyme is studied for, and the interaction to know — a genuinely detailed, dedicated resource.
💡 Worth knowing: this enzyme's blood-flow-related mechanism is exactly why it's grouped among the ingredients requiring a blood-thinner medication caution.