Marchioll et al concluded that the early effect of low dose (1g per day) of omega-3 fatty acids could reduce total mortality risk on patients who went through myocardial infraction

Scientists found that Spirulina not only supplying essential minerals, vitamins and amino acids for our body but also improving immune system and protecting cardiovascular system.

Report of Brian et al which published on Archives of Internal Medicine in 2006 found that cocoa intake benefits for lowering blood pressure and reduction total cardiovascular mortality

Report of the Health Professionals Follow-up Study and the Nurses Health Study showed that 25(OH)D3 serum concentration and blood pressure has a relation. 

A study of Johanna and colleagues published in 2004 which usually known as The Rotterdam Study investigated role of vitamin K2 in vascular health.

Scientists said that high blood cholesterol levels is always associated with development of cardiovascular atherosclerosis. That causes the blood vessel walls less elastic and the atherosclerotic plaques reduces the blood flow to the penile.

Giovannucci et al (2010)analyzed data on 18.225 men  and found that individuals whose 25(OH)D3 serum concentration below 15 ng/ml had the risk of myocardial infraction 2,4 fold higher than those above 30 ng/ml.