Allergy Research Group – Nattokinase Supplement NSK-SD 2000 FU, 100mg – Cardiovascular/Circulatory Health – 60 Softgels

Customers find the supplement effective for cardiovascular health, with one noting it works better than prescription medications for high cholesterol. Moreover, the product receives positive feedback for its quality, with one customer highlighting its high-quality ingredients, and customers appreciate its ability to thin blood and prevent clotting. Additionally, they consider it good value for money. However, experiences with side effects are mixed, with some reporting no issues while others experience reduced leg aches.