Folic acid, also known as vitamin B9, is a B-complex vitamin needed for the maintenance of a healthy body. Folic acid deficiency is more common in older adults with chronic gastrointestinal illnesses and in those who have poor access to adequate diet. Folic acid deficiency can also occur in older adults who take prescription medications that interfere with the absorption of folic acid. Folic acid supplements have several benefits for older adults. They also can produce side effects in some people, such as skin rash or difficulty breathing, according to PubMed Health, an online publication of the National Center for Biotechnology Information.
Fatigue
Folic acid supplements can help prevent fatigue in older adults. Folic acid works with other B vitamins to help the body convert carbohydrates, proteins and fats into glucose, which is the main source of energy for the body. If you are over the age of 50 and are experiencing excess fatigue, despite eating regular meals, request your doctor to check your blood work for vitamin deficiencies.
Anemia
The body requires folic acid for the production of new healthy red blood cells. Inadequate intake of folic acid can cause folic acid deficiency anemia. Older adults with folic acid deficiency anemia may experience symptoms such as pale skin, weakness, dizziness, confusion, loss of appetite, a sore tongue and unintentional weight loss, according to MedlinePlus, an online service of the National Institutes of Health.
Cancer Prevention
Folic acid can help prevent cancers in older adults. Folic acid is important for the prevention of cancer because it helps prevent changes to DNA that may lead to cancer, according to the American Cancer Society. Older adults are more likely to develop cancer due to bodily changes that occur with old age. Most doctors advise older adults to eat foods rich in folic acid and other nutrients to prevent cancer. Examples of foods rich in folic acid include spinach, kale, citrus fruits, liver, fortified breakfast cereals and beans.
Folic Acid Supplements
Folic acid supplements are available as regular tablets and injections. The tablets are usually taken once a day, according to PubMedHealth. Folic acid shots are more suitable for older adults with severe folic acid deficiency. The shots are administered as intramuscular injections in deep muscles of the body. Older adults who are allergic to folic acid injection ingredients and vitamin supplements should consult with their doctor before taking over-the-counter multivitamins.
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