Lutein & Zeaxanthin — strongest AMD evidence
These macular carotenoids are the most-validated nutrients for eye health. AREDS2 formula validated their role in slowing AMD progression. Branded standardized forms (FloraGLO, Lutemax) are the clinical-trial-grade options.
Saffron — emerging eye health evidence
Saffron (especially AffronEYE branded form) has growing evidence for retinal sensitivity in early-stage AMD — distinct from carotenoid mechanisms. Reasonable complement to lutein/zeaxanthin.
Astaxanthin — eye fatigue and visual function
Astaxanthin reduces eye fatigue and accommodation lag, particularly relevant for high screen-time users. Crosses the blood-retinal barrier (most carotenoids don't).
Omega-3s — dry eye disease
Higher omega-3 intake (1-2 g/day) reduces dry eye symptoms and is endorsed in TFOS DEWS II clinical guidelines. Effect on AMD is contested — supplementation trials were null, but observational data support a relationship.
Bilberry — visual function support
Bilberry (especially Mirtoselect standardized extract) has moderate evidence for visual function and eye fatigue. Most relevant for high screen-time users and computer-related eye strain.
Anti-Inflammatory Eye Support
Curcumin and other anti-inflammatory compounds support eye health by reducing chronic inflammatory contributions to age-related eye disease.
Specialty & Foundation
Citicoline supports neuronal function in retinal cells. Vitamin C, E, and zinc are AREDS2 components. These are foundational rather than standalone treatments.
Frequently Asked Questions
What is the best supplement for eye health?
For AMD prevention/progression slowing in at-risk adults: AREDS2 formula (lutein 10 mg + zeaxanthin 2 mg + vitamin C + vitamin E + zinc + copper). For dry eye: omega-3 at 1-2 g/day. For eye fatigue and screen time: astaxanthin 4-12 mg/day. For early AMD with measurable retinal sensitivity: saffron (AffronEYE) 20 mg/day. Match the supplement to the specific eye health goal.
Should I take AREDS2 if I don't have AMD?
Probably not. AREDS2 formula was studied in adults with intermediate-to-advanced AMD or AMD in one eye — that's where it's validated. For healthy younger adults without AMD risk factors, no clear benefit has been shown. The carotenoids (lutein, zeaxanthin) at lower doses are reasonable for general macular health and screen-time eye support, but the full AREDS2 formula is for diagnosed AMD risk.
Does lutein work for screen fatigue?
Yes, modestly. Lutein and zeaxanthin (especially Lutemax 2020) have RCT evidence for reduced eye fatigue, improved visual processing speed, and better contrast sensitivity in adults with high screen exposure. Effects appear at 10-12 mg/day lutein over 6-12 weeks. Astaxanthin works similarly through a different mechanism. Both are reasonable for office workers and gamers.
What about omega-3 for AMD?
Mixed and contested. Observational data suggest higher omega-3 intake correlates with lower AMD risk. But the gold-standard AREDS2 randomized trial showed NO benefit of EPA+DHA on AMD progression. Honest framing: omega-3 has clear benefits for dry eye and overall cardiovascular health (which affects retinal blood flow), but isn't validated specifically for AMD prevention.
Are eye health supplements regulated?
No, with one exception. The AREDS2 formula is specified by the AREDS2 trial — but supplements claiming to be "AREDS2 formula" vary in actual content. PreserVision AREDS2 (Bausch & Lomb) is the original formula used in trials. Many other AREDS2 products substitute ingredients or alter doses. If you're using AREDS2 for documented AMD risk, get the validated brand.
When should I see an eye doctor?
See an ophthalmologist for sudden vision changes, persistent floaters or flashes of light, eye pain, dry eye not relieved by OTC drops, suspected AMD or diabetic retinopathy, family history of AMD, glaucoma, or significant eye disease, or for routine adult eye exams every 1-2 years after age 40. Modern eye disease treatment is highly effective when started early — supplements support but don't replace dilated eye exams.