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Hyaluronic Acid

Updated 3/19/2026
8.7Rating
Skin
Bone
Inflammation
Eyesight
Longevity
Digestion
Metabolism

Research Summary

Hyaluronic Acid (HA), also known as hyaluronan, is a naturally occurring, gel-like substance (a glycosaminoglycan) found throughout the body's connective tissues. It acts as a crucial structural component of the extracellular matrix. Roughly 50% of the body's HA is concentrated in the skin,, with the rest predominantly found in the synovial fluid of joints, the eyes, and cartilage,. Because our natural production of HA declines by approximately 1% each year after age 20, it has become a highly popular oral supplement for anti-aging, joint health, and overall longevity,.

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