Notable on Instagram: "Nattokinase is an enzyme extracted from natto, a fermented soybean food, and it has drawn interest for carotid artery plaque because of its fibrinolytic (clot-breaking) and potential anti-atherosclerotic effects. Laboratory and small human studies suggest nattokinase may help reduce blood viscosity, support natural breakdown of fibrin, and modestly improve circulation, which could theoretically slow plaque progression in the carotid arteries. Some observational evidence al