Incidental diagnosis Aortic wall calcification is more of risk factor for future atherosclerosis in body.
Nattokinase is investigational drug only as of now, not proven to reduce the calcification.
Moreover , No evidence (which means RCT) to show any benefit of reducing aortic wall calcification will help in future heart related events.
Next Steps
Maintain a healthy life style
Check
diabetes ,
lipid profile, blood pressure ,
Dailye active mobility for 30mins at the very least.