Important Safety Information — Please Read First
Nattokinase is an enzyme derived from natto, traditional fermented soybeans, studied for its effect on blood clotting — which is exactly what makes it interesting to researchers, and exactly why it isn’t suitable for everyone. This is genuinely the most important thing to know before starting, and it’s missing entirely from this product’s own description.
Speak to your GP before considering nattokinase if you use blood-thinning medication (warfarin, aspirin, clopidogrel, or similar), take high-dose omega-3 supplements or ginkgo biloba (which can compound the effect on clotting), have surgery scheduled within two weeks (nattokinase should be stopped at least two weeks beforehand), are pregnant or breastfeeding, or have a bleeding disorder or low blood pressure. As covered in more detail in our complete nattokinase guide, “supports healthy blood flow” reflects genuine research interest in nattokinase’s clot-dissolving properties, but this is the same property that creates real bleeding risk in the situations above — not a general wellness claim without consequence.
Nattokinase is best known for its fibrinolytic activity, and research has explored its effect on blood pressure and arterial elasticity, though evidence remains preliminary rather than settled — nattokinase is not an established treatment for any cardiovascular condition, and shouldn’t replace prescribed treatment.
The enteric coating on these capsules is genuinely useful, helping the enzyme survive stomach acid to remain active in the intestines, consistent with how nattokinase is typically studied. Research generally uses doses of 1,000-2,000 FU daily, so this product’s 2,000 FU sits at the upper end of that researched range.
Ingredients: rice flour, fermented soybean extract, HPMC capsule shell. Vegan, non-GMO, laboratory tested. Take one capsule daily. Speak to your GP before starting if you take blood-thinning medication or supplements, are pregnant, breastfeeding, have a bleeding disorder, or have surgery scheduled — this is essential, not optional, given nattokinase’s genuine effect on blood clotting.
The Research Behind This Product
Heart Health & Longevity
Nattokinase for Heart Health: What UK Research Shows
What UK research says about nattokinase for heart health — plus the safety considerations around blood thinners that matter more than any potential benefit.
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