Best Cat Eye Supplements (2026) – Top 10 Reviewed
Your cat’s eyes are one of their most remarkable features — and keeping them healthy is essential for their quality of life. Whether you’re dealing with age-related vision changes, tear staining, dry eyes, or immune-related eye issues, the right supplement can help protect your cat’s vision and eye comfort. We’ve reviewed the best eye health supplements for cats, from L-Lysine immune boosters to antioxidant-rich vision formulas.
Our Top Picks at a Glance
- Best Overall: Ocu-GLO PB Vision Supplement for Cats – Veterinarian-developed with lutein, omega-3s, and antioxidants
- Best Value: VetriScience Lysine Extra Strength for Cats – Affordable immune and eye health support
- Best Premium: Pet Supplements Cats Eye Health Complex – Comprehensive multi-ingredient eye formula
Quick Comparison
| Product | Key Ingredients | Form | Servings | Best For |
|---|---|---|---|---|
| Ocu-GLO PB Vision Supplement for Cats | Lutein, Omega-3s, Grape Seed Extract, Astaxanthin | Sprinkle Capsules | 30 | Overall vision and eye health |
| VetriScience Lysine Extra Strength for Cats | L-Lysine 500mg | Chews | 120 | Immune-driven eye health |
| Pet Supplements Cats Eye Health Complex (Bilberry) | Bilberry, Lutein, Lysine, Zinc | Tablets | 60 | Comprehensive eye nutrition |
| Pet Supplements Cats Eye Health Complex (Lutein) | Lutein, Zeaxanthin, Cranberry, Zinc | Tablets | 60 | Antioxidant eye protection |
| Cats Eye Vitamins – Eye Health Solution | Zeaxanthin, Lutein, Bilberry, Lycopene | Tablets | 60 | Senior cat vision support |
| L-Lysine Liquid Supplement for Cats | L-Lysine Liquid | Liquid Drops | 60ml | Respiratory and eye immune support |
| Pet Eye Health Complex for Dogs and Cats | Lutein, Bilberry, Lysine, Cranberry, Zinc | Tablets | 60 | Multi-pet household eye care |
| Dr. Goodpet Eye-C for Cats | Vitamin C, Zinc | Liquid Drops | 60+ | Eye comfort and cataract support |
1. Ocu-GLO PB Vision Supplement for Cats – Best Overall
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Developed by board-certified veterinary ophthalmologists, Ocu-GLO PB is the most scientifically rigorous eye supplement available for cats.
This powder blend combines lutein, omega-3 fatty acids, grape seed extract, and astaxanthin — each chosen for their specific benefits to eye health. Lutein and astaxanthin provide antioxidant protection to the retina and lens, omega-3s support tear film quality and reduce inflammation, and grape seed extract provides additional phytonutrient protection against oxidative damage.
The sprinkle capsule format makes administration easy — just open the capsule and mix the contents into your cat’s food. Ocu-GLO is recommended by veterinary eye specialists and has a strong reputation among pet owners dealing with age-related vision concerns, cataracts, and general eye health maintenance.
What We Like
- Developed by board-certified veterinary ophthalmologists
- Combines multiple clinically relevant eye-health antioxidants
- Sprinkle capsule format mixes easily into food
What Could Be Better
- Premium price point reflects the specialized formulation
- Only 30 capsules per box — one month supply
Bottom Line: Ocu-GLO PB is the most evidence-based eye supplement for cats, formulated by veterinary ophthalmologists with the specific antioxidants your cat’s eyes need most.
2. VetriScience Lysine Extra Strength for Cats – Best Value
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L-Lysine is the single most recommended amino acid for feline eye and immune health, and VetriScience delivers a potent 500mg dose in each tasty chew.
These extra-strength chews support immune function, eye health, and cardiovascular function. L-Lysine helps your cat’s immune system respond effectively to the viruses that commonly cause eye issues like conjunctivitis, watery eyes, and discharge. By strengthening immune defenses, lysine helps keep your cat’s eyes clear and comfortable.
VetriScience is a veterinarian-founded brand with decades of formulation experience. The 120-count bottle provides an outstanding four-month supply, making it one of the most economical daily supplements for feline eye health.
What We Like
- 500mg extra-strength L-Lysine dose — the gold standard for feline immune-eye health
- 120-count bottle provides four months of daily supplementation
- Veterinarian-founded brand with proven formulations
What Could Be Better
- Primarily supports eye health through immune function — not a direct vision supplement
- Some cats may not enjoy the chew flavor
Bottom Line: VetriScience’s L-Lysine chews offer the best combination of effectiveness and value for supporting your cat’s eye health through immune system strengthening.
3. Pet Supplements Cats Eye Health Complex (Bilberry Formula) – Best Comprehensive Formula
- ZINC FOR AMAZING EYE SUPPORT IN CATS: This crucial mineral can help support the eye from inflammation and harmful light rays. Many holistic vets also claim that it can help slow the progression of vision loss due to several eye issues. This addition to your furry friends diet can be a life changer for them.
- BEST RECOMMENEDED SUPPLEMENT FOR CATS: Cat owners rely on general practice veterinarians to help maintain their pet’s overall health and well-being. Some conditions, however, require specialized care that falls outside the scope of what general practice veterinarians can provide. Thats where eye supplements come into play and support your cats vision the best it can.
- CAT EYE SUPPLEMENT: Eye health in cats has become the talk of the town. There’s more and more discussion about eye disease and vision problems in cats, including macular degeneration and more. Our supplement is packed with nutrients and vitamins to benefit your cats health.
- LYSINE FOR CATS EYE HEALTH: Lysine is an essential amino acid for your cats wellbeing and eye health. If your cat has certain eye issues or is dryer than usual then Lysine may help your cat a lot. Also when Lysine is mixed in with other certain ingredients (like in our supplement) the eye health benefits increase.
- 100% SATISFACTION GUARANTEE, if you are not satisfied with the results we will refund your money even if you have finished the bottle. We are a loyal business with our own pets and know how important your pet’s health is to you. Make your RISK FREE purchase today with Pet Supplements!
Packed with bilberry, lutein, lysine, and zinc, this supplement delivers the widest range of eye-supporting nutrients in a single tablet.
Bilberry is rich in anthocyanosides — antioxidants that support the tissues of the eyes and have been used in herbal medicine for centuries. Combined with lutein for retinal protection, lysine for immune defense, and zinc to protect against inflammation and harmful light rays, this formula covers nearly every angle of feline eye health.
The supplement also includes vitamins and minerals that support overall health alongside eye-specific benefits. Each bottle contains 60 tablets, and the company offers a satisfaction guarantee that lets you try the product risk-free.
What We Like
- Multi-ingredient formula targeting bilberry, lutein, lysine, and zinc
- Covers both antioxidant protection and immune-based eye support
- Satisfaction guarantee for risk-free trial
What Could Be Better
- Tablet format may need to be crushed for picky cats
- Two-bottle pack may be more than needed for a single cat
Bottom Line: This is the most ingredient-diverse eye supplement for cats, providing comprehensive antioxidant, immune, and nutritional support for eye health in one formula.
4. Pet Supplements Cats Eye Health Complex (Lutein Formula) – Best Antioxidant Protection
- ZINC FOR AMAZING EYE SUPPORT IN CATS: This crucial mineral can help support the eye from inflammation and harmful light rays. Many holistic vets also claim that it can help slow the progression of vision loss due to several eye issues. This addition to your furry friends diet can be a life changer for them.
- BEST RECOMMENEDED SUPPLEMENT FOR CATS: Cat owners rely on general practice veterinarians to help maintain their pet’s overall health and well-being. Some conditions, however, require specialized care that falls outside the scope of what general practice veterinarians can provide. Thats where eye supplements come into play and support your cats vision the best it can.
- CAT EYE SUPPLEMENT: Eye health in cats has become the talk of the town. There’s more and more discussion about eye disease and vision problems in cats, including macular degeneration and more. Our supplement is packed with nutrients and vitamins to benefit your cats health.
- LYSINE FOR CATS EYE HEALTH: Lysine is an essential amino acid for your cats wellbeing and eye health. If your cat has certain eye issues or is dryer than usual then Lysine may help your cat a lot. Also when Lysine is mixed in with other certain ingredients (like in our supplement) the eye health benefits increase.
- 100% SATISFACTION GUARANTEE, if you are not satisfied with the results we will refund your money even if you have finished the bottle. We are a loyal business with our own pets and know how important your pet’s health is to you. Make your RISK FREE purchase today with Pet Supplements!
With lutein, zeaxanthin, and cranberry antioxidants as the stars, this formula focuses on protecting your cat’s eyes from oxidative damage at the cellular level.
Lutein and zeaxanthin are naturally stored in the retina and are responsible for vision sharpness and accuracy — yet they’re often missing from a cat’s natural diet. This supplement restores these crucial carotenoids while adding cranberry-derived antioxidants and flavonoids that support cardiovascular health and eye circulation.
Zinc rounds out the formula with additional protection against inflammation and light damage. This is an excellent choice for cats showing early signs of age-related vision changes or for preventative eye health maintenance in adult cats.
What We Like
- Focuses on lutein and zeaxanthin — the key carotenoids stored in the retina
- Cranberry antioxidants support eye circulation and cardiovascular health
- Good preventative option for adult and aging cats
What Could Be Better
- Does not contain lysine for immune-based eye support
- Tablet administration may be challenging for some cats
Bottom Line: If you want to give your cat’s eyes the specific antioxidants they need to maintain sharp, healthy vision, this lutein-zeaxanthin formula delivers targeted retinal protection.
5. Cats Eye Vitamins – Eye Health Solution – Best for Senior Cats
- BILBERRY EYE CARE CATS: Bilberry extract is derived from a fruit similar to the blueberry and contains active ingredients for eye health and proper vision. The berries are rich in the antioxidant anthocyanosides, which are beneficial for cats eye health and care. This is one of the few reasons we put this ingredient in our powerful supplement.
- VISION CARE IS PRIORITY FOR CATS: As pet parents, most of us are aware that canines experience much of the world through their robust senses of smell and hearing. But canines do depend on their vision for general safety and day-to-day getting around, and the eye has a delicate structure that’s always susceptible to injury. Our cats Eye Health is here to make sure your cats eyes are in its best shape.
- CAT EYE HEALTH: Rubbing there face against the carpeting or pawing at there eyes may be the first indication that there is an issue with your cat's eyes. Your cat does not have a safe, effective way of keeping there eyes clean. Our cats Eye Health Supplement provides your cat the best and healthiest way to keep there eyes healthy in different aspects.
- KEY NUTRITION PLAN FOR CAT EYES: Good nutrition plays an important role in the overall health of your pet and can help to maintain healthy eyes and vision. When an animal has vitamin deficiencies or is malnourished, thats when eye issues can start to develop. Which is why we loaded our supplement with vitamins, minerals and other ingredients to support the best eye health.
- Put us to the test! Use our pet supplement for up to 30 days, risk-free. If for some reason you are not completely satisfied, return the product for a refund. Some exceptions may apply.
Formulated with aging feline eyes in mind, this supplement combines zeaxanthin, lutein, bilberry, and lycopene to protect vision as your cat grows older.
Senior cats are particularly susceptible to vision changes, cloudiness, and eye discomfort. This formula addresses age-related concerns with a potent mix of antioxidants that protect eye tissues from free radical damage. Lycopene adds an additional layer of antioxidant protection specifically targeting sun damage and oxidative stress.
The bilberry and lutein combination provides both immediate antioxidant protection and long-term support for retinal health. The supplement comes in a two-bottle pack (120 tablets total), providing excellent value for ongoing senior cat eye care.
What We Like
- Specifically formulated for age-related eye health concerns
- Includes lycopene for additional antioxidant and sun damage protection
- 120 tablets in the two-bottle pack provide extended supply
What Could Be Better
- May be more than necessary for younger cats without eye issues
- Tablet format requires creative administration strategies
Bottom Line: This is the best supplement for senior cats whose eyes need extra antioxidant protection to maintain comfort and vision quality as they age.
6. L-Lysine Liquid Supplement for Cats – Best Liquid Formula
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For cats who won’t touch tablets or chews, this liquid L-Lysine formula delivers immune and eye support in easy-to-administer drops.
This liquid supplement provides L-Lysine for respiratory health, sneezing relief, runny nose management, and eye care. The liquid format offers fast absorption and can be dripped directly into the mouth, mixed with water, or added to wet food — giving you maximum flexibility with finicky felines.
The 60ml bottle provides a generous supply at the typical feline dosage, and the dropper allows precise dosing based on your cat’s weight. Liquid lysine is particularly popular for cats with chronic upper respiratory and eye issues.
What We Like
- Liquid format for fast absorption and easy administration
- Flexible dosing — mouth, water, or food application
- Targets both respiratory and eye health simultaneously
What Could Be Better
- Single-ingredient formula — lysine only without additional eye antioxidants
- Some cats may resist the liquid taste
Bottom Line: This liquid lysine supplement is the easiest way to deliver immune-based eye support to cats who refuse pills, chews, and tablets.
7. Pet Eye Health Complex for Dogs and Cats – Best for Multi-Pet Homes
- BEST VETS RECOMMENDED SUPPLEMENT FOR PETS: Pet owners rely on general practice veterinarians to help maintain their pet’s overall health and well-being. Some conditions, however, require specialized care that falls outside the scope of what general practice veterinarians can provide. Thats where eye supplements come into play and support your pets vision the best it can.
- ZINC FOR THE BEST EYE SUPPORT IN DOGS AND CATS: This crucial mineral can help support the eye from inflammation and harmful light rays. Many holistic vets also claim that it can help slow the progression of vision loss due to several eye issues. This addition to your furry friends diet can be a life changer for them.
- DOG AND CAT EYE SUPPLEMENT: Eye health in pets has become the talk of the town. There’s more and more discussion about eye disease and vision problems in pets, including macular degeneration and more. Our supplement is packed with nutrients and vitamins to benefit your pets health.
- LYSINE FOR DOGS AND CATS EYE SUPPORT: Lysine is an essential amino acid for your pets wellbeing and eye health. If your pet has certain eye issues or is dryer than usual then Lysine may help your pet a lot. Also when Lysine is mixed in with other certain ingredients (like in our supplement) the eye health benefits increase.
- 100% SATISFACTION GUARANTEE, if you are not satisfied with the results we will refund your money even if you have finished the bottle. We are a loyal business with our own pets and know how important your pet’s health is to you. Make your RISK FREE purchase today with Pet Supplements!
If you have both cats and dogs that could benefit from eye health support, this multi-species formula eliminates the need for separate supplements.
The formula features lutein, bilberry, lysine, cranberry, and zinc — covering antioxidant protection, immune support, and nutritional eye care for both species. The comprehensive ingredient list ensures that both your cat and dog get the key nutrients their eyes need from a single product.
Each bottle contains 60 tablets, and the dosing is adjusted by pet size. This is the most convenient option for multi-pet households looking to simplify their supplement routines without sacrificing ingredient quality.
What We Like
- Works for both cats and dogs — one product for the whole household
- Comprehensive eye-health ingredient profile
- Good value for multi-pet households
What Could Be Better
- Not specifically optimized for feline physiology
- Requires different dosing calculations for cats versus dogs
Bottom Line: The most practical eye supplement for households with multiple pets, offering comprehensive vision support that works across species.
8. Dr. Goodpet Eye-C for Cats – Best for Eye Comfort
- Daily Digestive Support for Cats – A targeted feline enzyme and probiotic powder formulated to help support digestion and nutrient absorption.
- Balanced Feline Enzyme Blend – Includes protease, amylase, lipase, and cellulase to help break down proteins, fats, carbs, and fiber in your cat’s diet.
- Boosts Nutrient Uptake – Supporting digestive efficiency allows your cat to utilize more nutrition from every meal for improved overall health.
- Probiotics & Prebiotics Included – Beneficial Lactobacillus acidophilus promotes a balanced gut environment alongside natural digestive enzymes
- Vegan, Plant-Based Formula – Made without pork, beef, dairy, or animal products — ideal for sensitive cats and plant-based dietary preferences.
Dr. Goodpet’s Eye-C was originally developed for eye comfort and combines Vitamin C with zinc for antioxidant protection and soothing support.
This simple but effective formula was created by co-founder Louis Gottlieb, who formulated the blend for his own eye health before adapting it for pets. Vitamin C provides powerful antioxidant support for eye tissues, while zinc helps protect against inflammation. The combination has been particularly popular among owners of cats dealing with eye cloudiness and discomfort.
Dr. Goodpet has been producing natural pet supplements for decades, and Eye-C remains one of their most beloved products. The liquid drop format is easy to administer and well-tolerated by most cats.
What We Like
- Simple, proven Vitamin C and zinc formula for eye comfort
- Decades of satisfied customer reviews
- Liquid drop format for easy administration
What Could Be Better
- Limited ingredient profile compared to comprehensive eye formulas
- Designed for general eye comfort rather than specific vision conditions
Bottom Line: Dr. Goodpet Eye-C is the best choice for straightforward eye comfort and antioxidant support, delivering proven ingredients in a simple, easy-to-use liquid format.
How to Choose the Best Cat Eye Supplement
Start by identifying the root cause of your cat’s eye issues. If your cat’s eye problems are immune-related — such as recurring conjunctivitis, viral eye infections, or chronic discharge — an L-Lysine supplement is your best starting point. Lysine strengthens the immune system’s ability to fight the viruses that commonly cause feline eye problems.
For age-related vision concerns, cataracts, or general eye health maintenance, look for supplements rich in lutein, zeaxanthin, and astaxanthin. These carotenoids and antioxidants are specifically concentrated in eye tissues and provide targeted protection against oxidative damage to the retina and lens.
Consider whether your cat needs a single-ingredient or multi-ingredient supplement. Cats with a specific immune-related eye issue may do well with just L-Lysine, while cats with multiple eye health concerns or senior cats benefit from comprehensive formulas that combine antioxidants, omega-3s, and immune-supporting ingredients.
The supplement format should match your cat’s temperament. Sprinkle capsules and powders are easiest to hide in food, liquid drops offer precise dosing, and chews work well for cats that enjoy treat-like supplements. Tablets are the most challenging format for most cats and often need to be crushed or dissolved.
Always consult your veterinarian before starting an eye supplement, especially if your cat is showing signs of eye problems. Many eye conditions require veterinary treatment, and some symptoms can indicate serious underlying health issues that supplements alone cannot address.
Benefits of Cat Eye Supplements
Eye supplements provide antioxidant protection to the delicate structures of your cat’s eyes. The retina, lens, and macula are all vulnerable to oxidative stress from UV exposure, aging, and metabolic processes. Antioxidants like lutein, zeaxanthin, and astaxanthin help neutralize free radicals before they can damage these sensitive tissues.
L-Lysine-based eye supplements strengthen your cat’s immune response to the viruses that most commonly affect feline eyes. Feline herpesvirus is a leading cause of chronic eye issues in cats, and regular lysine supplementation can help reduce the frequency and severity of flare-ups that cause discharge, squinting, and discomfort.
Omega-3 fatty acids found in many eye supplements support healthy tear film production, helping to combat dry eyes and maintain comfortable eye moisture. They also provide anti-inflammatory benefits that can reduce redness and irritation in cats prone to eye inflammation.
For senior cats, eye supplements can help slow the progression of age-related vision changes. While no supplement can reverse existing damage, consistent daily supplementation with appropriate antioxidants can help protect remaining vision and maintain eye comfort throughout your cat’s golden years.
Frequently Asked Questions
What are the most common eye problems in cats?
Common feline eye issues include conjunctivitis (pink eye), feline herpesvirus-related eye infections, cataracts, glaucoma, corneal ulcers, and age-related vision changes. Symptoms like discharge, squinting, redness, cloudiness, or pawing at the eyes warrant a veterinary examination.
Can eye supplements prevent cataracts in cats?
While no supplement can guarantee cataract prevention, antioxidants like lutein, zeaxanthin, and vitamin C may help slow the progression of age-related lens changes. Starting supplementation before visible eye changes occur gives the best chance of maintaining lens clarity as your cat ages.
How does L-Lysine help cat eye health?
L-Lysine is an essential amino acid that supports immune function. Many feline eye problems are caused by feline herpesvirus (FHV-1), and lysine helps the immune system manage this virus more effectively. Regular supplementation can reduce the frequency and severity of viral eye flare-ups.
How long do eye supplements take to show results?
For immune-based supplements like L-Lysine, you may see improvements in eye discharge and comfort within one to two weeks. Antioxidant supplements for long-term eye health work more gradually, and their benefits are best measured through ongoing eye health maintenance rather than immediate visible changes.
Can I use eye supplements alongside eye drops or medications?
In most cases, yes. Oral eye supplements work systemically and generally don’t interfere with topical eye medications. However, always inform your veterinarian about all supplements your cat is taking so they can ensure there are no interactions with prescribed treatments.
Are eye supplements safe for kittens?
Many eye supplements are safe for kittens, particularly L-Lysine formulas, which are commonly recommended for kittens with upper respiratory infections and associated eye symptoms. Always check the product label for age restrictions and consult your vet for kitten-specific dosing guidance.
Should I give my cat an eye supplement if they have no eye problems?
Preventative supplementation can be beneficial, especially for senior cats or breeds prone to eye issues. A daily L-Lysine supplement or a moderate antioxidant formula can help maintain eye health proactively. Consult your vet about whether your specific cat would benefit from preventative eye supplementation.
What ingredients should I look for in a cat eye supplement?
The most important ingredients include L-Lysine for immune support, lutein and zeaxanthin for retinal protection, astaxanthin for antioxidant defense, omega-3 fatty acids for tear film health, and zinc for anti-inflammatory support. Bilberry and grape seed extract provide additional phytonutrient protection.
