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Oral HA is partially degraded by gut bacteria and gastric acid into smaller fragments, which are absorbed in the small intestine. These fragments distribute to skin and joint tissues where they: (1) directly contribute to extracellular matrix hydration (HA holds 1,000x its weight in water); (2) stimulate fibroblasts to produce MORE endogenous HA (amplification effect); (3) signal via CD44 receptors to increase collagen and elastin production. In joints, HA provides viscous lubrication (viscosupplementation) and cushioning. The key insight: oral HA appears to STIMULATE local HA production rather than simply replacing it — which is why relatively small oral doses produce measurable effects.
No critical interactions identified for oral supplementation.
Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.