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What Are the Benefits of Hyaluronic Acid Supplements?

author image Denton Dean
Denton Dean has written about current events and lifestyle issues since 2005. He is a former reporter for "Politicker," a "New York Observer" publication. Dean earned his Bachelor of Arts in political science from the University of Texas at Austin and his Master of Public Policy from the University of Chicago, where he studied health care policy.
What Are the Benefits of Hyaluronic Acid Supplements?
Woman gets injection in her lips. Photo Credit: nikolasvn/iStock/Getty Images

Hyaluronic acid is a compound found throughout your body, including your skin, eyes and joints. It is commonly added to joint supplements and cosmetics. In sports and cosmetic medicine, physicians use hyaluronic acid injections to alleviate osteoarthritis and fill wrinkles. Hyaluronic acid is available as a powder, injection or liquid. Most medical applications and research have focused on hyaluronic acid injections. There is less clinical research or evidence to support its efficacy as an oral supplement.

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Knee Benefits

Hyaluronic acid, a naturally-occurring component of viscous synovial fluid, may reduce joint pain associated with knee osteoarthritis. Because synovial fluid cushions joints, physicians sometimes inject hyaluronic acid into the knee to improve fluid effectiveness. In a meta-analysis of 22 clinical trails, researchers at Johns Hopkins Arthritis Center concluded patients treated with hyaluronic acid injections reported modest reductions in knee pain. They remarked, however, that most trials were poorly designed, and the placebo effect rather than the drug might be responsible for their reported pain relief.

Skin Benefits

When injected into the skin, hyaluronic acid-based fillers can reduce the appearance of wrinkles. They can also “plump” skin or lips and make them appear fuller. The Food and Drug Administration has approved multiple hyaluronic acid-based fillers, which it claims reduce fine lines and wrinkles. A 2010 French study found one hyaluronic acid-based preparation measurably reduced nasolabial folds, commonly known as “laugh lines.”

Eye Benefits

Your eyes and tears contain hyaluronic acid. A Japanese study published in the "British Journal of Ophthalmology" concluded a hyaluronic acid solution improved corneal epithelial disorders in dry eyes. The corneal epithelium is the outermost part of your eye. An Italian study published in the same journal in 2002 found that hyaluronic acid relieved dry eye in sufferers of Sjögren's syndrome, an autoimmune disorder.

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