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B Vitamins Good for the HeartB Vitamins Good for the Heart

April 20, 2010

1 Min Read
B Vitamins Good for the Heart

DALLASEating more foods containing the B vitamins folate and B6 lowers the risk of death from stroke and heart disease for women and may reduce the risk of heart failure in men, according to Japanese research reported in Stroke: Journal of the American Heart Association.

The findings on the value of B vitamins were consistent with studies in Europe and North America, although the dietary consumption of vitamin B6 is generally lower in Japan than in the United States.

Researchers analyzed data from 23,119 men and 35,611 women (ages 4079) who completed food frequency questionnaires as part of the large Japan Collaborative Cohort (JACC) Study. During a median 14 years of follow-up, 986 died from stroke, 424 from heart disease and 2,087 from all diseases related to the cardiovascular system.

Investigators divided participants into five groups based on their intake of folate, vitamin B6 and vitamin B12. Comparing those with the diets lowest and highest for each nutrient, they found that higher consumption of folate and vitamin B6 was associated with significantly fewer deaths from heart failure in men, and significantly fewer deaths from stroke, heart disease and total cardiovascular diseases in women. Vitamin B12 intake was not associated with reduced mortality risk.

The protective effects of folate and vitamin B6 didnt change when researchers adjusted for the presence of cardiovascular risk factors, nor when they eliminated supplement users from the analysis.

Folate and vitamin B6 may help guard against cardiovascular disease by lowering homocysteine levels, the investigators said. Homocysteine is an amino acid in the blood thats affected by diet and heredity. Folic acid and other B vitamins help break down homocysteine in the body.

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