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SupplementScience

Zeaxanthin Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Very well tolerated at recommended doses
  • Mild carotenodermia (skin yellowing) at very high intakes
  • Rare gastrointestinal discomfort

Drug & Supplement Interactions

  • High-dose beta-carotene may compete for intestinal absorption
  • Fat-blocking drugs (orlistat) reduce zeaxanthin absorption
  • Cholestyramine may lower carotenoid bioavailability

Maximum Dose

Do not exceed: 10 mg/day used safely in research; no formal upper limit established

References

  1. (). Lutein + zeaxanthin and omega-3 fatty acids for age-related macular degeneration: the Age-Related Eye Disease Study 2 (AREDS2) randomized clinical trial. JAMA. DOI
  2. (). Macular pigment in donor eyes with and without AMD: a case-control study. Investigative Ophthalmology & Visual Science.