Supplement
Lutein + Zeaxanthin
Half-life
~5–7 days
What is Lutein + Zeaxanthin?
Carotenoids that concentrate in the macula of the eye. Essential for blue light protection and macular health.
How Lutein + Zeaxanthin works
Filter high-energy blue light before it reaches photoreceptors, quench singlet oxygen and free radicals in the macula, and reduce neuroinflammation in the brain (lutein is the predominant carotenoid in brain tissue).
Benefits & uses
Common uses: Macular degeneration prevention, blue light filtering, visual acuity, cognitive function.
Lutein + Zeaxanthin dosage
- Typical dose
- 10–20 mg lutein + 2–4 mg zeaxanthin daily with fat. AREDS2 formula: 10 mg lutein + 2 mg zeaxanthin.
Lutein + Zeaxanthin half-life
~5–7 days (carotenoid half-life in plasma)
Lutein + Zeaxanthin side effects
Very safe. High doses may cause yellowish skin tint (carotenodermia — harmless).
- Harmless yellow-orange skin tint at high doses (carotenodermia)
- Very safe overall
