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Hyaluronic Acid Side Effects & Safety

Evidence:Strong
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Generally very well-tolerated with minimal side effects reported
  • Rare mild gastrointestinal discomfort
  • Theoretical concern for those with history of cancer — HA is involved in cell proliferation (precautionary, not proven)

Drug & Supplement Interactions

  • No significant drug interactions documented for oral HA supplements
  • May theoretically interact with medications that affect connective tissue turnover

Maximum Dose

Do not exceed: Up to 240 mg/day used safely in clinical trials; no established upper limit for oral forms

Full Hyaluronic Acid Guide

References

  1. RCTOe M, Sakai S, Yoshida H, et al. (2017). Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period. Clinical, Cosmetic and Investigational Dermatology. DOI PubMed
  2. ReviewKawada C, Yoshida T, Yoshida H, et al. (2014). Ingested hyaluronan moisturizes dry skin. Nutrition Journal. DOI PubMed
  3. Hsu TF, Su ZR, Hsieh YH, et al. (2021). Oral hyaluronan relieves skin dryness and wrinkle: a systematic review. Journal of Cosmetic Dermatology. DOI
  4. Sato T, Sakamoto W, Odanaka W, et al. (2017). Clinical effects of dietary hyaluronic acid on dry, rough skin. Aesthetic Dermatology.
  5. Du D, Liang Y (2025). A meta-analysis and systematic review of the clinical efficacy and safety of platelet-rich plasma combined with hyaluronic acid (PRP + HA) versus PRP monotherapy for knee osteoarthritis (KOA).. Journal of orthopaedic surgery and research. DOI PubMed
  6. Li YF, Xing HH, Wei CK, Chen YT, et al. (2025). Platelet-Rich Plasma Is More Effective Than Hyaluronic Acid Injections for Osteoarthritis of the Knee: A Meta-analysis Based on Randomized, Double-Blinded, Controlled Clinical Trials.. Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. DOI PubMed
  7. Xu H, Shi W, Liu H, Chai S, et al. (2025). Comparison of hyaluronic acid and platelet-rich plasma in knee osteoarthritis: a systematic review.. BMC musculoskeletal disorders. DOI PubMed
Show 4 more references
  1. Meta-analysisRoth BJ, Hammad MAM, Sultan MI, Abou Chawareb E, et al. (2025). Hyaluronic acid and urology: a systematic review and meta-analysis.. Sexual medicine reviews. DOI PubMed
  2. Meta-analysisJawanda H, Khan ZA, Warrier AA, Acuña AJ, et al. (2024). Platelet-Rich Plasma, Bone Marrow Aspirate Concentrate, and Hyaluronic Acid Injections Outperform Corticosteroids in Pain and Function Scores at a Minimum of 6 Months as Intra-Articular Injections for Knee Osteoarthritis: A Systematic Review and Network Meta-analysis.. Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. DOI PubMed
  3. Migliorini F, Giorgino R, Mazzoleni MG, Schäfer L, et al. (2024). Intra-articular injections of ozone versus hyaluronic acid for knee osteoarthritis: a level I meta-analysis.. European journal of orthopaedic surgery & traumatology : orthopedie traumatologie. DOI PubMed
  4. Meta-analysisElrosasy A, Abo Zeid M, Hindawi MD, Cadri S, et al. (2024). Efficacy and safety of different hyaluronic acid fillers on cheek volume augmentation: systematic review and network meta-analysis.. Archives of dermatological research. DOI PubMed