Hyaluronic Acid

Commonly used for
Joint HealthHealthy Aging
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Skin hydration and wrinkles
This is anecdotal, and there isn't strong clinical evidence that it works for everyone.
Hyaluronic acid is a major component of joint synovial fluid. Injectable hyaluronic acid (administered by a clinician) has meaningfully stronger evidence for joint pain than oral supplementation — oral hyaluronic acid's evidence base is much smaller and shouldn't be assumed to share the same effect.
Form: Oral hyaluronic acid (low-molecular-weight forms show better absorption)
Typical dose studied: 80–200 mg/day
Timing: With or without food
Do not confuse this with the stronger evidence base for injectable/intra-articular hyaluronic acid, which is a clinician-administered treatment, not a supplement.
? Emerging / limited evidence
Already taking it? Evaluate benefit after 8–12 weeks; effects are gradual, not immediate.
Hsu TF et al. (2021). Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study. Nutrients.
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