Hyaluronic acidis a natural substance found in the fluids in theeyesand joints. It acts as a cushion and lubricant in the joints and other tissues.
Different forms of hyaluronic acid are used for cosmetic purposes. Hyaluronic acid might also affect the way the body responds to injury and help to decrease swelling.
People also commonly take hyaluronic acid bymouthand apply it to theskinforUTIs, acid reflux,dry eyes, wound healing, agingskin, and many other conditions, but there is no good scientific evidence to support most of these other uses.
Uses &Effectiveness
Possibly Effective for
Dry eye. Usingeyedrops containing hyaluronic acid seems to help relieve dry eye symptoms.
Leg sores caused by weak blood circulation (venous leg ulcer). Using a gauze containing hyaluronic acid seems to reduce the size of sores and promote healing.
There is interest in using hyaluronic acid for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.
Side Effects
When taken bymouth: Hyaluronic acid is likely safe when used appropriately. Allergic reactions might occur but are rare.
When applied to theskin: Hyaluronic acid is likely safe when used appropriately. Allergic reactions might occur but are rare.
Special Precautionsand Warnings
Pregnancy: There isn't enough reliable information to know if hyaluronic acid is safe to use when pregnant. Stay on the safe side and avoid use.
Breast-feeding: There isn't enough reliable information to know if hyaluronic acid is safe to use when breast-feeding. It's not clear if it's excreted in breast milk and what effect that might have on aninfant. Stay on the safe side and avoid use.
Radiation therapy: Applying hyaluronic acid to the skin while receiving radiation therapy might increase the risk of some skin complications. If you are receiving radiation therapy, don't use hyaluronic acid on your skin.
Hardening of skin and connective tissue (scleroderma): Applying hyaluronic acid to the skin might make skin ulcers worse in people who have a condition called scleroderma. If you have scleroderma, don't use hyaluronic acid on your skin.
Interactions
We currently have no information for Hyaluronic AcidInteractions.
Dosing
Hyaluronic acid is available in many different types of topical products, including creams, gels, mouthwashes, and eye drops. Insupplements, there isn't enough reliable information to know what an appropriate dose of hyaluronic acid might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult ahealthcareprofessional before using.
