20 Foods That Clean Arteries and Prevent Heart Attacks

15. Spirulina

It is suggested to have 4,500 mg of these blue-green algae (usually in supplement or powder form) on a daily basis. Spirulina can help relax arterial walls and control blood pressure. It may also help raise HDL cholesterol (good cholesterol) by 15% and reduce LDL cholesterol (bad cholesterol) by 10%.