Folic acid, also known as vitamin B-9, is one of the eight B vitamins. Folic acid works with other B vitamins to help the body convert carbohydrates, proteins and fats to energy the body can use. Folic acid is important for DNA synthesis and production of new healthy cells. Folic acid supports normal functioning of the heart and also protects the heart from certain cardiovascular conditions.
Folic acid and Heart Disease
Doctors may prescribe folic acid supplements to patients with high levels of homocysteine. Homocysteine is an amino acid produced from protein metabolism. Folic acid works with vitamins B-12 and B-6 to control the blood levels of homocysteine. Current studies show that patients with high levels of homocysteine are more likely to develop coronary heart disease, stroke and heart attack, according to the University of Maryland Medical Center. Lowering homocysteine helps prevent heart problems such as stroke and heart attack.
Blood Production
Folic acid is necessary for production of blood cells needed for proper functioning of the heart and the cardiovascular system. Folic acid works with vitamin B-12 to regulate the formation of red blood cells in the bone marrow. Low levels of folic acid can lead to folic acid deficiency anemia. Anemia may cause heart problems such as abnormal heart rhythms, rapid heart rate and pale cold skin due to decreased blood circulation.
Folic Acid Supplements
Doctors suggest folic acid supplements to patients who are unable to obtain the vitamin from foods. Folic acid is found in many over-the-counter multivitamins. Folic acid injections are also available. Folic acid injections are suitable for patients with gastrointestinal illnesses such as malabsorption syndrome, stomach cancer or surgery because these illnesses prevent the absorption of folic acid oral supplements.
Sources of Folic Acid
The recommended daily dietary intake of folic acid is 400 mcg for adults. Patients with heart disease require 400 to 1,200 mcg of folic acid per day, according to University of Maryland Medical Center. Sources of folic acid include green leafy vegetables such as spinach, kale and mustard greens, broccoli, asparagus, Brussels sprouts, enriched breads, fortified cereals, beef liver, fish, poultry and milk.
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