Sodium ascorbate is a version of vitamin C, also known as ascorbic acid, that has been bound to sodium, a mineral salt. The basic properties and health benefits of sodium ascorbate are the same as vitamin C, but the mineral salt lowers the acidity. Sodium ascorbate is available as a vitamin supplement in pill form, as a chewable tablet and as lozenges.
Importance of Vitamin C
Ascorbic acid is used by the body in the formation of collagen and to aid in the absorption of iron. Collagen is used to build blood vessels, ligaments, tendons and bones. Vitamin C is also an antioxidant, capable of destroying free radicals in the body and protecting cells from damage. According to Medline Plus, this vitamin may also be helpful in preventing the common cold in extreme environments, preventing urinary tract infections during pregnancy, preventing cancer and treating asthma, although all of these uses remain under investigation.
Benefits of a Sodium Buffer
Binding ascorbic acid to a mineral salt such as sodium makes it potentially easier on the digestive tract because the salt acts as a buffer. Consuming vitamin C in this form is therefore recommended for people who have gastrointestinal problems, according to the Linus Pauling Institute at Oregon State University.
Alternatives
Vitamin C can be taken in other forms as well. Aside from sodium, some other mineral salts that can be bound to ascorbic acid for use as a supplement include calcium, magnesium, potassium, zinc, molybdenum, manganese and chromium. Vitamin C may also be consumed straight or as a component in foods.
Deficiencies
A deficiency of vitamin C can result in the disease scurvy, according to Medline Plus. Scurvy is rare and generally only appears in malnourished individuals, pregnant or breastfeeding women or in babies being breastfed by a deficient mother. Symptoms of scurvy include joint pain, frequent bleeding or bruising and the loss of hair and teeth. People who develop scurvy can be treated with oral or injected ascorbic acid, including sodium ascorbate pills or tablets.
Warnings
According to the Linus Pauling Institute, a 1,000-milligram supplement of sodium ascorbate contains 111 mg of sodium. For individuals watching their sodium intake, the use of sodium ascorbate as a dietary supplement must be deliberated when factoring in the total salt intake for the day. The American Heart Association recommends keeping sodium intake below 1,500 mg a day to maintain heart health and keep blood pressure under control. Some people have reported gastrointestinal effects from high doses of ascorbic acid, including nausea and diarrhea.
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