Best AREDS 2 Formula Supplements (2026) – Top 10 Reviewed
If you’re looking to support your vision health as you age, AREDS 2 formula supplements offer clinically-backed nutrition for your eyes. Based on landmark research from the National Eye Institute, these supplements combine lutein, zeaxanthin, and essential vitamins to help protect macular health. This guide covers the top AREDS 2 supplements available today, from premium formulations to budget-friendly options that deliver the research-supported nutrients your eyes need.
Our Top Picks at a Glance
- Best Overall: Provision AREDS 2 Eye Vitamins – Doctor-formulated with premium ingredients
- Best Value: Nature Made Vision AREDS 2 – #1 pharmacist-recommended at great price
- Best Premium: UpNourish AREDS 2 Plus – Zinc-free with saffron and DHA
Quick Comparison
| Product | Key Ingredients | Form | Servings | Best For |
|---|---|---|---|---|
| Provision AREDS 2 | Lutein 10mg, Zeaxanthin 2mg, Vitamins C/E, Zinc, Copper | Veggie Caps | 60 | Doctor-formulated quality |
| ScienceBased HydroEye | GLA, Omega-3, Vitamins | Softgels | 120 | Dry eye support |
| PreserVision AREDS 2 | Lutein 10mg, Zeaxanthin 2mg, Full AREDS 2 formula | Softgels | 120 | Most studied brand |
| UpNourish AREDS 2 Plus | Lutein, Zeaxanthin, Saffron, Astaxanthin, DHA | Softgels | 120 | Zinc-free formula |
| Nature Made Vision | Lutein 10mg, Zeaxanthin 2mg, Complete AREDS 2 | Softgels | 60 | Budget-friendly |
| Physician’s Choice Eye Health | Lutemax 20mg, Zeaxanthin 4mg, Bilberry | Veggie Caps | 60 | Enhanced absorption |
| NATURELO Eye Vitamins | Lutein, Zeaxanthin, DHA, Plant-based antioxidants | Vegan Caps | 60 | Vegan formula |
| BLIVA AREDS 2 | Lutein 10mg, Zeaxanthin 2mg, Exact AREDS 2 formula | Softgels | 100 | Clinical accuracy |
1. Provision AREDS 2 Eye Vitamins – Best Overall
- Professional Grade Eye Supplement - A doctor-formulated vision eye supplement based on well known AREDS 2 study. This vision supplement includes Lutein, Zeaxanthin, and other eye health vitamins in veggie caps for great eye health support.
- The Provision Difference - Our eye vitamins for vision is a custom formula designed to support your eye health.
- Eye Vitamins for Vision - Our lutein Zeaxanthin vision complex supplement is a high-quality eye vitamin that can help support your vision. Our formula helps support your healthy eyes.
- VCaps Plus Premium Vegetarian Capsules - Our vision vitamin has AREDS 2 research components like Lutein, Zeaxanthin, Zinc, Copper, Vitamin E, and Vitamin C. Our enhanced vision supplement is made with premium ingredients with no unnecessary binders.
- Trusted for over 20 years - Made in the USA in an FDA registered facility, Visivite has been a trusted supplier of Doctor formulated Eye Vitamins for more than 20 years.
Doctor-formulated vision support that’s been trusted for over 20 years.
Provision delivers the complete AREDS 2 formula in premium vegetarian capsules, with lutein and zeaxanthin derived from marigold flower extract. This supplement provides 10mg lutein and 2mg zeaxanthin along with vitamins C and E, zinc, and copper – exactly matching the research-supported ratios. The VCaps Plus technology ensures maximum absorption without unnecessary binders or fillers.
What We Like
- Doctor-formulated with over 20 years of trusted manufacturing
- Premium vegetarian capsules with no unnecessary additives
- Made in USA in FDA-registered facility
- Exact AREDS 2 research component ratios
What Could Be Better
- Requires two capsules daily (less convenient than once-daily options)
- No additional nutrients beyond core AREDS 2 formula
Bottom Line: Provision offers doctor-formulated quality with clean ingredients and proven AREDS 2 ratios, making it our top choice for reliable eye health support.
2. ScienceBased Health HydroEye – Best for Dry Eyes
- WORKS FROM THE INSIDE OUT: Nourishes the eye to support all three layers of the tear film
- CLINICALLY Tested: Shown to promote eye comfort and support a healthy ocular surface in a peer-reviewed clinical trial published in Cornea
- PROPRIETARY, BALANCED FORMULA: Precise blend of GLA, omega-3 EPA & DHA, and other key nutrients work together to help soothe dry eyes and support visual health
- FEATURES GLA – THE DRY EYE OMEGA: Provides a unique source of GLA from black currant seed oil—not found in fish or flaxseed oils—supported by multiple clinical studies for its role in dry eye
- FOR BEST RESULTS: Take four softgels daily; allow 30–60 days of consistent use to experience the full benefit, and continue daily for ongoing support
Clinically tested formula specifically designed for dry eye relief.
HydroEye takes a unique approach with GLA (gamma-linolenic acid) and omega-3 fatty acids that support healthy tear film production. This specialized formula goes beyond basic AREDS 2 to address the root causes of dry eyes, combining essential fatty acids with key vitamins for comprehensive ocular comfort. If you struggle with dry, irritated eyes, this targeted formulation offers more than standard eye vitamins.
What We Like
- Clinically tested specifically for dry eye support
- Contains GLA and omega-3s for tear film health
- 120 softgels provide two-month supply
- Addresses underlying causes of eye dryness
What Could Be Better
- More expensive than basic AREDS 2 formulas
- Not a traditional AREDS 2 formula (different focus)
Bottom Line: HydroEye is the superior choice if dry eyes are your primary concern, offering clinically-backed ingredients that standard AREDS 2 formulas don’t provide.
3. PreserVision AREDS 2 – Best Studied Brand
- AREDS 2 Recommended Formula: Preservision AREDS 2 Eye Vitamins contain lutein, zeaxanthin, zinc, copper, vitamin C, and vitamin E to exactly match the nutrient formula recommended by the National Eye Institute based on the Age Related Eye Disease Study 2 to help reduce the risk of moderate to advanced AMD progression in adults aged 50 and over
- Eye Support Vitamin: PreserVision, the #1 AREDS brand, is based on 20 years of clinical studies conducted by the NEI.
- Ocular Health: Take 2 soft gels daily with food; 1 in the morning, 1 in the evening. This supplement for adults provides essential vitamins with high-quality, clinically proven nutrients to help support ocular health.
- Bausch + Lomb Eye Care: Eye experts since 1853, Bausch + Lomb offers trusted products from eye vitamins and supplements to lubricant eye drops and lens care
- Most Studied Brand: The most studied eye vitamin brand based on AREDS and AREDS2 clinical studies
The #1 doctor-recommended eye vitamin brand backed by 20 years of clinical research.
PreserVision is built on the actual AREDS and AREDS2 clinical studies from the National Eye Institute. These mini softgels deliver lutein, zeaxanthin, vitamin C, vitamin E, zinc, and copper in the exact ratios proven to help reduce the risk of moderate to advanced AMD progression. As the most studied eye vitamin brand, PreserVision offers the confidence that comes from extensive clinical validation.
What We Like
- #1 doctor-recommended eye vitamin brand
- Based on 20 years of NEI clinical studies
- Mini softgels easier to swallow than standard capsules
- Proven formula backed by extensive research
What Could Be Better
- Higher price point than generic alternatives
- Contains gelatin (not vegetarian)
Bottom Line: PreserVision offers unmatched clinical validation and the reassurance of the most studied eye vitamin brand on the market.
4. UpNourish AREDS 2 Plus – Best Zinc-Free Option
- AREDS 2 PLUS FORMULA: UpNourish AREDS 2 Plus Formula consists of key nutrients vitamin C, Vitamin E, Lutein, Zeaxanthin, Astaxanthin and DHA fish oil for additional benefits.
- GENTLE ON DIGESTIVE SYSTEM: Unlike other vision supplements, our AREDS 2 Plus eye vitamins are zinc free and gentle on your digestive system with the added benefit of soothing lemon oil.
- TRUSTED BY CUSTOMERS: Over a million bottles of AREDS 2 Plus Eye Vitamins have been used, making it a top choice for those seeking advanced eye and vision vitamins.
- CLEAN NATURAL: Our product is Non GMO, Gluten Free, Free of Soy, Dairy, Eggs, Nuts, and Preservatives.
- QUALITY FIRST: Manufactured in GMP certified facilities, UpNourish AREDS 2 Plus Eye vitamin is tested by third-party labs for micro, heavy metals and strength.
Advanced zinc-free formula enhanced with saffron, astaxanthin, and DHA.
UpNourish removes zinc (which can upset some stomachs) while adding premium ingredients like saffron extract, astaxanthin, and omega-3 DHA. This enhanced formula includes lutein and zeaxanthin from the AREDS 2 research, plus lemon oil for gentle digestion. With over a million bottles sold, it’s become a trusted choice for those who need a gentler alternative to traditional formulas.
What We Like
- Zinc-free formula gentle on digestive system
- Enhanced with saffron, astaxanthin, and DHA
- Lemon oil addition soothes stomach
- Over 1 million bottles sold (proven customer satisfaction)
- Third-party tested for quality and purity
What Could Be Better
- More expensive than basic AREDS 2 formulas
- Not exact AREDS 2 formula (modified version)
Bottom Line: UpNourish is ideal if you need zinc-free support or want enhanced ingredients beyond the basic AREDS 2 formula.
5. Nature Made Vision AREDS 2 – Best Value
- Healthy Eye support supplement: contains one 60 count bottle of Nature Made Vision Based on the AREDS 2 Formula Softgels for a 30-day supply
- Nature Made Vision based on the AREDS 2 formula combines eye vitamins and key nutrients to help support healthy vision and eye function
- This vision supplement provides Lutein and Zeaxanthin to help support healthy eyes from blue light produced by the sun and digital devices
- Adults, take one Vision based on the AREDS-2 formula softgel twice daily with water and a meal; take one in the morning and one in the evening
- Sourced from high quality ingredients, these eye health softgels contain no artificial flavors and are gluten free
The #1 pharmacist-recommended brand delivers AREDS 2 nutrition at an affordable price.
Nature Made provides the complete AREDS 2 formula – lutein, zeaxanthin, vitamins C and E, zinc, and copper – at a budget-friendly cost. These softgels contain no artificial flavors and are gluten-free, making them a clean choice for daily eye health. The twice-daily dosing (one in morning, one in evening) helps maintain consistent nutrient levels throughout the day.
What We Like
- #1 pharmacist-recommended vitamin brand
- Excellent value for complete AREDS 2 formula
- No artificial flavors, gluten-free
- High-quality ingredients from trusted brand
What Could Be Better
- 30-day supply requires monthly reordering
- Contains soybean oil and carmine (not vegan)
Bottom Line: Nature Made delivers trusted quality and the complete AREDS 2 formula at the best price point available.
6. Physician’s Choice Eye Health – Best Enhanced Absorption
- AREDS 2 Eye Support & Vision Vitamins: Our eye health supplement was crafted by experts to ensure optimal eye health support. Contains clinically proven Lutemax (lutein), Zeaxanthin, Bilberry extract, and Vitamin C, E, B12, Folate, Zinc, & Copper
- Eye Health Support: As we get older, it's essential to take care of our eyes. Our Areds2 Formula aids in support of overall eye health, eye strain, dry eyes, & protection from blue light. All of these benefits in 2 easy to take veggie caps
- Combat Eye Fatigue: The B.L.U.E. Study showed carotenoids from Lutemax have positive effects on vision health, sleep quality, and can reduce occasional eye strain from long exposure to blue light screens. Our formula has all 3 macular carotenoids - One Month Supply
- Optimal Lutein & Zeaxanthin Ratio: Contains Lutein 20 mg and Zeaxanthin 4 mg in the heavily studied 5:1 ratio in the form of Lutemax. Ideal for supporting eye health, dry eyes, & vision. Contains Black Pepper Extract for enhanced absorption
- Safety Assured Standard of Quality: Our Eye Health Vitamins are 3rd-party tested for purity and potency. Each bottle is manufactured with love & care in the USA with strict quality control - using imported and domestic ingredients.
Award-winning Lutemax formula with enhanced absorption technology.
This formula uses Lutemax 2020, a clinically proven form of lutein with superior bioavailability. You get 20mg lutein and 4mg zeaxanthin in the heavily studied 5:1 ratio, plus bilberry extract, vitamins C, E, B12, folate, zinc, and copper. The addition of black pepper extract (BioPerine) significantly enhances nutrient absorption, helping you get more benefit from each capsule.
What We Like
- Lutemax 2020 with clinically proven absorption
- Higher lutein/zeaxanthin doses than standard AREDS 2
- BioPerine enhances overall nutrient absorption
- Bilberry extract for additional eye support
- Third-party tested for purity and potency
What Could Be Better
- More expensive than basic formulas
- Two capsules daily required
Bottom Line: Physician’s Choice offers superior absorption and higher doses of key carotenoids, making it ideal for those who want maximum benefit from their eye supplement.
7. NATURELO Eye Vitamins – Best Vegan Formula
- EYE VITAMINS & MINERALS: A broad array of eye-friendly vitamins, minerals, phyto-nutrients and herbs to support healthy vision, help protect eye health, and help alleviate eye fatigue and occasional dry eye discomfort.*
- AREDS 2 FORMULA: Includes all of the nutrients used in the large AREDS clinical trial, which was shown to successfully help preserve vision in aging adults*: vitamin C, vitamin E, zinc, copper, lutein and zeaxanthin.
- PLANT-BASED ANTIOXIDANTS: Our formula goes beyond a simple multivitamin to include a variety of plant-based carotenoids, including whole food beta-carotene from carrot powder, lycopene, and astaxanthin.
- OMEGA-3S & HERBAL EXTRACTS: Includes plant-based omega-3 DHA, which research suggests may help preserve healthy vision,* plus herbal extracts for eye support, such as grape seed extract, eyebright, and goji berry.
- PREMIUM QUALITY: Made with premium ingredients in a U.S.-based, GMP-certified facility and third party tested for purity. Non-GMO, Gluten Free, Soy Free, Vegan & Vegetarian, with NO Coloring, Flavoring, or Preservatives.
Plant-based AREDS 2 formula with omega-3 DHA and herbal extracts.
NATURELO goes beyond basic AREDS 2 with plant-based antioxidants including whole food beta-carotene from carrot powder, lycopene, and astaxanthin. The formula includes plant-based omega-3 DHA from algae (no fish), plus herbal extracts like grape seed, eyebright, and goji berry. It’s completely vegan with no coloring, flavoring, or preservatives.
What We Like
- 100% vegan and vegetarian-friendly
- Plant-based omega-3 DHA from algae
- Enhanced with multiple plant antioxidants
- No coloring, flavoring, or preservatives
- Made in GMP-certified USA facility
What Could Be Better
- Premium pricing reflects clean ingredients
- Some may prefer fish-based omega-3s
Bottom Line: NATURELO is the clear winner for vegans and those seeking plant-based eye nutrition with comprehensive antioxidant support.
8. BLIVA AREDS 2 – Best for Clinical Accuracy
- CLINICALLY STUDIED & MOST EFFECTIVE AREDS 2 FORMULA: Our premium AREDS 2–based eye supplement is carefully and extremely accurately formulated to reflect the clinically studied AREDS 2 nutrient formula. Each daily serving perfectly delivers lutein (10 mg), zeaxanthin (2 mg), vitamin C (500 mg), vitamin E (180 mg), zinc (80 mg), and copper (2 mg). Designed for daily adult use, this advanced eye nutrition formula provides antioxidant and nutrient support for eye and macular health, and helps support retinal cellular health as part of a consistent, long-term eye wellness routine.
- TARGETED LUTEIN & ZEAXANTHIN EYE FORMULA: BLIVA’s AREDS 2 eye nutrition supplement delivers precisely measured lutein and zeaxanthin to support macular pigment and visual comfort. Each daily serving provides 10 mg lutein and 2 mg zeaxanthin, carotenoids that naturally concentrate in the macula, helping support daily macular nutrition and visual comfort for modern, screen-focused lifestyles.
- ANTIOXIDANT & MINERAL COMPLEX FOR EYES: This AREDS 2–inspired formula delivers a balanced antioxidant and mineral profile per daily serving, providing vitamin C (500 mg), vitamin E (180 mg), zinc (80 mg), and copper (2 mg). Designed to support antioxidant defense, normal visual function, and overall ocular wellness as part of a comprehensive eye nutrition routine.
- CONVENIENT MINI SOFTGEL FORMAT: Our petite, easy-to-swallow mini softgels are designed for comfortable daily use and quick dissolution. The compact, travel-friendly format makes it easy to include AREDS 2–style eye nutrition in your daily routine, whether at home, on the go, or as part of your everyday supplement stack without bulky pills or powders.
- RELIABLE QUALITY YOU CAN TRUST: Crafted using carefully selected, high-quality ingredients, our supplement is non-GMO and manufactured in the USA in a cGMP-compliant facility. It is gluten-free, soy-free, and made without unnecessary additives or fillers. Every batch is quality-checked for purity and potency to ensure consistent, dependable performance.
Precisely formulated to match the exact AREDS 2 clinical study ratios.
BLIVA delivers exactly 10mg lutein, 2mg zeaxanthin, 500mg vitamin C, 180mg vitamin E, 80mg zinc, and 2mg copper – the exact amounts used in the AREDS 2 clinical research. This precise formulation ensures you’re getting the proven nutrient levels studied by the National Eye Institute, with no guesswork about dosing accuracy.
What We Like
- Extremely accurate AREDS 2 formula matching clinical research
- 100-softgel bottle provides excellent value
- Clear dosing with exact nutrient amounts
- Supports charitable water initiatives with each purchase
What Could Be Better
- Basic formula without enhanced ingredients
- Contains gelatin (not vegetarian)
Bottom Line: BLIVA offers the reassurance of clinically accurate AREDS 2 dosing at a competitive price with the added benefit of charitable giving.
How to Choose the Best AREDS 2 Supplement
When selecting an AREDS 2 formula, start by verifying it contains the six core nutrients: lutein (10mg), zeaxanthin (2mg), vitamin C (500mg), vitamin E (400 IU), zinc (80mg), and copper (2mg). These are the exact amounts studied in the AREDS2 clinical trial conducted by the National Eye Institute. Look for products that clearly list these specific dosages on their labels.
Consider your digestive sensitivities when choosing between formulas. Zinc can cause stomach upset in some people, making zinc-free versions like UpNourish a better choice if you have a sensitive stomach. Similarly, if you’re vegetarian or vegan, check whether the capsules use gelatin (animal-derived) or plant-based materials. Softgels often contain gelatin, while veggie caps are plant-based.
Think about additional ingredients beyond the basic AREDS 2 formula. Some supplements add omega-3 fatty acids (DHA/EPA) which research suggests may support retinal health and tear production. Others include astaxanthin, saffron, or bilberry extract for additional antioxidant protection. While these extras aren’t part of the original AREDS 2 study, they may provide complementary benefits for overall eye health.
Evaluate the form and convenience of the supplement. Softgels are often easier to swallow than large tablets, and mini softgels are even more convenient. Check whether the product requires one dose or two per day – twice-daily dosing may provide more consistent nutrient levels, but once-daily options are more convenient. Also consider the supply duration: a 60-count bottle with twice-daily dosing lasts 30 days, while a 120-count lasts two months.
Look for quality indicators like third-party testing, GMP (Good Manufacturing Practice) certification, and manufacturing in FDA-registered facilities. Reputable brands will clearly state these quality measures on their labels or websites. Also check customer reviews for feedback on effectiveness, any side effects, and whether people noticed improvements in their vision health after consistent use.
Benefits of AREDS 2 Formula Supplements
The primary benefit of AREDS 2 supplements is their clinically proven ability to slow the progression of age-related macular degeneration (AMD) in people with moderate to advanced disease. The landmark AREDS2 study by the National Eye Institute found that the specific combination of lutein, zeaxanthin, vitamins C and E, zinc, and copper reduced the risk of AMD progression by about 25% over five years. This makes AREDS 2 formulas one of the few supplements with robust clinical evidence supporting their use for a specific eye condition.
Lutein and zeaxanthin, the carotenoids that replaced beta-carotene in the AREDS 2 formula, concentrate in the macula – the central part of your retina responsible for sharp, detailed vision. These compounds act as antioxidants and also filter harmful blue light before it can damage photoreceptor cells. By maintaining healthy macular pigment density, they help protect the delicate structures needed for reading, driving, and recognizing faces.
The antioxidant vitamins C and E in AREDS 2 formulas help combat oxidative stress throughout the eye. Your eyes are particularly vulnerable to oxidative damage because they’re exposed to both light and oxygen, which can generate harmful free radicals. Vitamin C supports the health of blood vessels in the retina, while vitamin E protects cell membranes in the photoreceptors. Together with zinc and copper, these nutrients support the eye’s natural defense systems against age-related damage.
Beyond AMD, many people report improvements in overall visual comfort when taking AREDS 2 supplements consistently. While not the primary studied benefit, the nutrients may help reduce eye strain from prolonged screen time, support healthy tear production, and maintain clear vision in various lighting conditions. The omega-3s and additional antioxidants found in enhanced formulas may provide extra support for dry eyes and overall ocular surface health, though these benefits extend beyond the original AREDS 2 research scope.
Frequently Asked Questions
Who should take AREDS 2 supplements?
AREDS 2 supplements are specifically recommended for adults over 50 with intermediate or advanced age-related macular degeneration (AMD) in one or both eyes. They’re also appropriate for those with advanced AMD in one eye to help protect the other eye. If you have early AMD or no AMD, talk to your eye doctor about whether these supplements are right for you, as the research focused specifically on moderate to advanced disease. AREDS 2 formulas are not intended to prevent AMD in people without the condition.
How long does it take to see results from AREDS 2 supplements?
AREDS 2 supplements work over months and years rather than days or weeks. The original AREDS2 study tracked participants for five years to demonstrate reduced disease progression. You won’t notice immediate vision improvements, as the goal is slowing AMD progression rather than reversing existing damage. Most eye doctors recommend taking these supplements consistently for at least 6-12 months while monitoring your eye health through regular examinations. The benefits are preventive and protective rather than immediately noticeable.
Can I take AREDS 2 supplements if I have early AMD?
The AREDS2 study specifically examined people with intermediate or advanced AMD, not early-stage disease. While some eye doctors recommend AREDS 2 formulas for early AMD as a precautionary measure, the clinical evidence for this use is limited. If you have early AMD (small drusen with minimal vision changes), discuss with your ophthalmologist whether these supplements make sense for your situation. They may recommend starting the supplements proactively, or they may suggest monitoring your condition with regular eye exams before beginning supplementation.
Are there any side effects from AREDS 2 supplements?
The most common side effect is stomach upset, particularly from the zinc component. Taking the supplement with food typically minimizes this issue. Some people experience constipation, nausea, or yellowing of the skin (from high doses of vitamin E or beta-carotene, though AREDS 2 removed beta-carotene). Zinc can interfere with copper absorption over time, which is why AREDS 2 formulas include copper. If you’re on blood thinners, discuss vitamin E intake with your doctor, as high doses may affect clotting. Always inform your healthcare providers about all supplements you take.
What’s the difference between AREDS and AREDS 2 formulas?
The main difference is that AREDS 2 replaced beta-carotene with lutein (10mg) and zeaxanthin (2mg). This change was made because beta-carotene increased lung cancer risk in smokers and former smokers. AREDS 2 also found that reducing zinc from 80mg to 25mg was equally effective, though most products still use the higher dose. The newer formula maintains vitamins C and E at the same levels as the original AREDS study. For safety reasons, especially if you smoke or have smoked, choose AREDS 2 formulas over the older AREDS formulas.
Do AREDS 2 supplements help with cataracts?
The AREDS2 study did not find strong evidence that these supplements significantly reduce cataract risk or progression. While the nutrients support overall eye health, the formulation was specifically designed and proven for age-related macular degeneration, not cataracts. Some individual nutrients like vitamin C and lutein have shown potential benefits for cataract prevention in other research, but the AREDS 2 combination isn’t considered a primary treatment or prevention strategy for cataracts. If cataracts are your main concern, discuss other options with your eye doctor.
Should I take AREDS 2 supplements if I’m a smoker?
Yes, but it’s crucial to choose an AREDS 2 formula (with lutein and zeaxanthin) rather than the older AREDS formula (with beta-carotene). The original AREDS formula contained beta-carotene, which was found to increase lung cancer risk in current and former smokers. The AREDS 2 study specifically replaced beta-carotene with lutein and zeaxanthin to avoid this risk. However, the most important step for protecting your vision and overall health is to quit smoking, as smoking significantly increases your risk of AMD and many other serious health conditions.
Can I get enough lutein and zeaxanthin from food alone?
While foods like kale, spinach, eggs, and corn contain lutein and zeaxanthin, it’s difficult to consistently consume the amounts used in the AREDS 2 study (10mg lutein and 2mg zeaxanthin) through diet alone. You’d need to eat about 1-2 cups of cooked kale or spinach daily to approach these levels. For people with intermediate or advanced AMD, supplementation ensures you’re getting the proven therapeutic doses studied in the AREDS2 trial. A healthy diet rich in leafy greens complements supplementation but shouldn’t replace it if your eye doctor has recommended AREDS 2 formulas.
