B Vitamins and Cardiovascular Health
A particular group of B vitamins – vitamins B2, B6, B12, and folic acid – are involved in helping the body metabolize homocysteine, which, like cholesterol in higher levels, increases cardiovascular risk factors. In a study of 178 women (ages 60-70 years), one-third were deficient in vitamins B1, B6, and B12, which, in turn, was associated with increased levels of homocysteine.
Similar findings were found in a study of men, in which supplementation with B vitamins (B6, B12, and folic acid) helped maintain healthy homocysteine levels. Although the research has not always been consistent, some studies show a decrease in cardiovascular risk factors in individuals who take a daily multiple-vitamin product.