Nattokinase Supplement 2000 FU of Enzyme – 270 Capsules – 100mg

Customers find the supplement to be of good quality and effective for heart health, particularly for unclogging arteries and reducing nerve pain in legs. The product is easy to swallow, though effectiveness and digestive effects receive mixed reviews, with some reporting stomach aches. Customers disagree on the ingredients, with one noting it's USA-made with non-GMO ingredients, while side effects include itching for some customers.