Evidence supporting the use of: Hyaluronic acid
For the body system: Eyes

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Hyaluronic acid is scientifically validated for supporting the eye body system, primarily due to its role in ophthalmology. It is a naturally occurring glycosaminoglycan found in high concentrations within the vitreous humor of the eye and is crucial for maintaining ocular hydration and tissue integrity. Its viscoelastic and water-retaining properties make it an ideal component in artificial tears and lubricating eye drops, which are widely used to treat dry eye syndrome. Clinical studies have demonstrated that hyaluronic acid-based eye drops can improve symptoms of dryness, irritation, and discomfort, and may promote corneal epithelial healing. Furthermore, hyaluronic acid is used as a viscoelastic agent during cataract surgery and other ophthalmic procedures, helping to protect intraocular tissues and maintain anterior chamber depth. Reviews and meta-analyses have confirmed its efficacy and safety profile in these applications. While most evidence supports its topical or surgical use rather than oral supplementation for eye health, the scientific consensus is strong for its ophthalmic applications, leading to a high rating of 4 for evidence.

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Other body systems supported by hyaluronic acid

Eyes
Gums
Joints
Skin
Structural System