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Promising · 6.8/10

Hyaluronic Acid

Evidence C · mixed evidence ▼ 9.9% momentum 🥇 First scout open
6.8/ 10

Hyaluronic acid is a glycosaminoglycan used orally for skin and joints and topically for hydration. The oral skin signal is real but modest: a meta-analysis by Sun 2022 pooled 4 RCTs (196 adults) and found a small significant hydration gain (SMD +0.40, p=0.007). Knee osteoarthritis pain improves mildly, dry-eye drops work, and safety is excellent. Read the full breakdown →

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Ring Promising Momentum 9.9% Updated Jul 20, 2026 How the Index ranks →

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