This article is for you if you’re looking for a way to support your cat’s health from the inside out. Like us, cats need antioxidants to help combat the effects of aging and stress, and support a healthy immune system. These supplements can be especially beneficial for cats who need help with arthritis, or who have compromised immune systems.
Keep in mind that cat supplements can be difficult to find, especially if you’re looking for a specific health benefit, like helping your cat with their cat hairball remedies. We’ve done the research to find the best cat antioxidant supplements that are highly-rated by users and cat owners alike.
Keep reading to learn more about our best cat antioxidant supplements.
Our Editor’s Best Cat Antioxidant Supplements Reviews
- Made with Natural & Other Premium Ingredients Like Lysine, Colostrum, and Quercetin: Immune Health Lysine chews are filled with health-supporting ingredients you can trust. Lysine, an essential amino acid, supports immune and respiratory health. Colostrum is rich in antibodies that help support the immune system and gut health. Quercetin has antioxidant properties that promote a normal inflammatory response. All in a delicious chicken-flavored chew your cat will love!
- DAILY SUPPORT: This veterinarian-formulated paw gel provides essential vitamin and mineral support to boost your cat’s immune health and well-being every day; Perfect for kittens, senior cats, and indoor cats to help them feel their best
- IRRESISTIBLE TASTE: With a delicious flavor and paw-based application, Nutri-Vet makes it easy to support your cat’s health; No need for tricks or pill pockets, simply apply and let your cat enjoy the tasty, calming benefits with ease!
- QUALITY FORMULA: Our cat supplements are a blend of essential vitamins and minerals to support your cat’s nutritional needs; Contains no petroleum jelly, wheat, corn, soy, artificial colors & flavors, ensuring a safe and healthy choice of multi vitamin
- MADE BY VETS: Developed by expert veterinarians, Nutri-Vet cat vitamins and supplements ensure high-quality care; This formula promotes immune support, supports kittens and senior cats, and helps maintain overall feline well-being
- USA MADE: Our vitamins and supplements are made in the USA with premium globally sourced ingredients you can trust; This cat multivitamin supports immune health, kitten and senior care and overall cat health; Our products carry the NASC quality seal
- Cat multivitamin for overall health – Your cat has unique nutritional needs. Our formula complements your kitty’s balanced meals to help maintain overall health and well-being.
- 10+ essential vitamins – Our formula supports cardiovascular and overall health with vitamin A, B vitamins, and vitamins C and E for antioxidant support, so your cat can live their best life (all nine of them!).
- Probiotics and other nutrients – Cat Mix supports digestive health with cat-friendly probiotic strains. It also promotes eye, kidney and pancreatic health with amino acids arginine and taurine.
- Ingredients matter – We use the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one.
- Live your healthiest life – We believe the answers to a healthier life are in reach, and that scientific research is the key to getting there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies.
- Number 1 veterinarian-recommended cat probiotic brand to support digestive health (Kantar Veterinary Tracker, 2021), making it an excellent cat supplement
- Purina Pro Plan Sensitive stomach cat food supplement for the dietary management of kittens and adult cats with cat diarrhea
- Digestive Care Cat Food supplement containing probiotics proven to promote intestinal health and balance
- FortiFlora cat vitamins and supplements have antioxidants to support a robust immune system and contain antioxidants for cats
- Easy-to-feed probiotic powder
- A TEXTURE AND TASTE CATS LOVE: Pet Honesty’s Skin + Coat Health for cats is a delicious supplement that helps calm, soothe, and nourish skin, so they can feel more comfortable as they pounce & play! Powerful wholesome ingredients are packed inside a unique texture format: it’s crunchy on the outside and creamy on the inside, offering a taste and texture combination that cats love.
- HELP PROMOTE A HEALTHY SKIN & COAT: These easy-to-give chews contain key functional ingredients, antioxidants, and essential fatty acids to provide advanced skin & coat support, soothe & nourish your cat’s skin and promote a healthy, shiny coat. Plus, with a taste and texture 9/10 cats love*, it’s a simple way to boost their skin health and help them feel their best, in a format more palatable than the common, messy fish oils. *Based on a 2023 feeding study
- MADE WITH NATURAL & OTHER PREMIUM INGREDIENTS LIKE OMEGAS, VITAMINS C + E, & BIOTIN: Skin + Coat Health chews are filled with health-supporting ingredients you can trust. Omegas help soothe skin & promote a shiny coat. Vitamins C + E are powerful antioxidants that help calm skin. Biotin supports skin & coat health. All in a delicious chicken flavor your cat will love!
- PET HONESTY PLEDGE: A taste your pet will love and results you can trust. Made with the most effective natural and premium ingredients. Formulated without corn, wheat, or soy. No artificial preservatives, colors, or flavors.
- MANUFACTURED IN THE U.S.A. | NASC MEMBER COMPANY: All Pet Honesty products are made in the US with US and globally sourced ingredients and are produced in a GMP-compliant facility that meets the highest safety standards, so you can rest assured you're giving your pet the best quality product possible! Pet Honesty is also a NASC member company, meaning it has met the highest quality and compliance standards for pet supplements.
- Multivitamin for Cats: These cat multivitamin chews are packed with 27+ essential nutrients, including vitamins, minerals, fatty acids, and antioxidants, to promote overall health and well-being
- Formulated by Vets: Multivitamin for cats designed to help fill nutritional gaps and provide daily support for heart, brain, immune, skin, and joint health
- Perfect for Cats at Any Stage: Designed for cats of all breeds and sizes, this feline multivitamin supports healthy aging by promoting energy, mood, and cellular health. It’s an ideal cat multivitamin supplement for homemade or raw diets to ensure your pet is getting balanced nutrition
- Science-Backed Ingredients: This cat multivitamin includes key ingredients like vitamins A, C, and E for antioxidant protection, biotin and methionine for skin and coat, and Omega-3 and -6 fatty acids from fish oil to support joints and brain function
- Easy and Delicious: These soft chews are fish-flavored to entice even the pickiest cats and are a great alternative to liquid or powder multivitamins. Cats love the taste, making them easy to add to your daily routine
- THEY’LL BE GOOD TO GO: With our urinary tract health supplements for cats go time is going to be a great time. These cat treats support the urinary tract system & promote urinary tract health, while helping to maintain normal pH for cats & strengthen their immune system. Our cat immune support & cat digestive support help your pet feel their best by supporting normal bladder function, plus, they’re designed specially for cats by cat lovers, so you know it will be love at first bite.
- FROM THE INSIDE OUT: Pet Honesty’s Cat Urinary Health are crunchy, creamy supplements that support urinary health with cranberry for bladder which is a natural antioxidant that helps counter bad bacteria in the urinary tract, glucosamine for cats to support urinary tract function, as well as prebiotics, probiotics & fiber to support gut health. This is supplement support that’ll help put an extra pounce in your pet’s step & help them feel their best.
- PURPOSE-BUILT FOR PETS: With Pet Honesty’s Cat Urinary Health your little one will experience real results because our crunchy, creamy supplements are built on wholesome, natural ingredients like barley, brown rice, & fish oil that help your cat feel in top form so you can have happier, healthier years together.
- DROOL-WORTHY TASTE: Not only do our kidney and bladder support chews promote urinary tract health, they’re a crunchy, creamy supplement that tastes great too! In fact 9 out of 10 cats love the taste. So, in addition to giving your cat something that's good for them, you'll also be giving them something they’ll enjoy.
- THE HONEST DIFFERENCE: Our products are made with clean, science-backed ingredients for results you can trust, & with no fillers, artificial preservatives, colors, or flavors, you'll have no doubt your dog is getting the best. Proudly supporting pets in need nationwide & using recycled plastic in our packaging, there's also no doubt that we're committed to doing our best. -- All products are made in the U.S.A. | NASC Member Company
- Vet-Developed Formula for Multi-Benefit Support – Nutra Thrive combines high-quality ingredients to support your cat’s mobility, immune system, digestion, and overall well-being.
- Joint & Mobility Support – Chicken collagen helps maintain strong, flexible joints, promoting an active lifestyle for cats of all ages.
- Essential Vitamins & Minerals – Contains over 15 veterinarian-selected vitamins and minerals, including Magnesium, Biotin, and Riboflavin, to support whole-body health.
- Gut & Immune Health – Includes 4 powerful probiotics and digestive enzymes to help support a healthy gut, smooth digestion, and a strong immune response.
- Easy-to-Use Powder with Delicious Flavor – Simply mix with your cat’s food; the tasty chicken flavor makes it easy to give daily.
- Joint Health Supplement for Cats - Cosequin is the #1 veterinarian recommended retail joint health supplement brand▼.
- Contains Glucosamine for Cats - Cosequin contains glucosamine hydrochloride (FCHG49) and sodium chondroitin sulfate (TRH122). This unique combination of ingredients supports healthy joints.
- Tasty Chews for Daily Use - Cosequin comes in a tasty soft chew, making daily administration easy and convenient.
- With Omega-3s - Each soft chew contains omega-3 fatty acids, which help support your cat’s skin and coat health.
- Exceptional Quality - Cosequin is backed by science, undergoing thorough quality inspections to ensure your cat receives a safe, high-quality product. It is manufactured in the United States with globally sourced ingredients.
- Unparalleled Support: Our delicious chicken-flavored crunchy chews help soothe your cat’s skin- related issues associated with seasonal allergies; Our ingredients are sourced at high levels of concentration and purity, because your pet deserves the best; Because immune function is directly correlated with gut health, we included powerful ingredients to support your kitty’s skin, starting from within
- Better Ingredients, Better Results: Each chew is packed with three key ingredients— a probiotic, tart cherry, and fish oil; Tart cherry provides antioxidants to support the immune system, while our probiotic targets your cat’s gut health and work to support your cat’s natural ability to respond to allergens; We also include fish oil from menhaden, a small fish with high levels of EPA and DHA to help promote normal skin moisture content
- Veterinarian Recommended: Our Allergy health supplement is a vet recommended, daily formula to support cats with seasonal allergies
- Lovingly Made in the USA with Domestic and Global Ingredients: Our crunchy chews are made with no fillers, gums, or sweeteners - just pure, high-quality ingredients your cat will love; Every chew is made with a crunchy shell and soft center for your cat’s enjoyment
- Buy With Confidence: You want the best for your best friend; We do, too; If you are not satisfied with the performance of this product, contact us; We are determined to make it right
Best Cat Antioxidant Supplements Buying Guide
Before choosing the best cat antioxidant supplements you should consider following options:
1. Taurine: This is an essential amino acid that is already present in the body of the cat. Taurine is a powerful antioxidant that can help improve the overall health of your cat. It helps in fighting against heart diseases and also supports eye health.
2. Vitamin E: This is an important antioxidant and an essential vitamin for the cat. Vitamin E helps in improving the immunity and also supports the overall health of the cat. Vitamin E can also help improve the fertility of the cat. It helps in reducing the levels of cholesterol and also supports eye health.
3. Vitamin C: Vitamin C is an essential antioxidant for the cat. It helps in supporting overall health of the cat by improving the immunity. Vitamin C is also important for supporting the bone and teeth health of the cat.
4. Vitamin A: Vitamin A has antioxidant properties and is very essential for the overall health of a cat. It supports the immune system and also supports eye health of the cat.
5. Zinc: Zinc is an essential mineral for the cat and is an important antioxidant. Zinc supports the overall health of the cat and also supports muscle health. It also supports immune system of the cat.
6. Vitamin D: This is an essential vitamin and an important antioxidant for the cat. Vitamin D supports overall health of the cat and also supports bone health. It also helps in improving the immunity of the cat.
7. Fish Oil: Fish oil has many antioxidants properties and is important for the overall health of the cat. Fish oil helps in supporting the immunity of the cat and also helps improve the heart health of the cat. It also helps in improving the brain health of the cat.
8. Vitamin B: Vitamin B has antioxidant properties and is essential for the overall health of the cat. It supports the brain and muscle health of the cat. It also supports the immune system and the heart health of the cat.
9. Vitamin K: Vitamin K has antioxidant properties and is essential for the overall health of the cat. It supports overall health of the cat and also supports bone health. Vitamin K also supports the immune system of the cat.
10. Vitamin E: Vitamin E has antioxidant properties and is essential for the overall health of the cat. It supports immune system and also supports eye health of the cat.
11. Zinc: Zinc is an essential mineral for the cat and has antioxidant properties. Zinc supports overall health of the cat and also supports muscle health. It also supports immune system of the cat.
12. Iron: Iron has antioxidant properties and is essential for the overall health of the cat. It supports overall health of the cat and also supports muscle health. It also supports immune system of the cat.
13. Selenium: Selenium is an essential mineral for the cat and has antioxidant properties. It supports overall health of the cat and also supports muscle health. It also supports immune system of the cat.
14. Manganese: Manganese is an essential mineral for the cat and has antioxidant properties. It supports overall health of the cat and also supports bone health. It also supports immune system of the cat.
15. Zinc: Zinc is an essential mineral for the cat and has antioxidant properties. It supports overall health of the cat and also supports muscle health. It also supports immune system of the cat.
16. Vitamin K: Vitamin K has antioxidant properties and is essential for the overall health of the cat. It supports overall health of the cat and also supports bone health.
What else you should know about cat antioxidant supplements
1. What are the best cat antioxidant supplements?
There are a variety of cat antioxidant supplements available on the market. Some of the best include:
1. Antiox-9: This supplement contains a blend of vitamins A, C, and E, as well as selenium and zinc. It is designed to help support a healthy immune system and protect against free radical damage.
2. Catechin: This supplement contains a powerful antioxidant known as catechin. It is thought to help protect cells and reduce inflammation.
3. Coenzyme Q10: This supplement contains coenzyme Q10, which is a powerful antioxidant that helps to protect cells and improve energy production.
4. N-Acetyl Cysteine: This supplement contains a compound known as N-acetyl cysteine. It is thought to help protect cells and reduce inflammation.
5. Vitamin E: This vitamin is a powerful antioxidant that helps to protect cells and reduce inflammation.
2. What are the benefits of taking antioxidant supplements for cats?
The benefits of taking antioxidant supplements for cats are not fully known, but they may include reducing the risk of certain diseases, improving the health of the skin and coat, and reducing inflammation.
3. Are there any side effects of taking antioxidant supplements for cats?
There are no known side effects of antioxidant supplements for cats.
4. How do I choose the right antioxidant supplement for my cat?
There is no one-size-fits-all answer to this question, as the best antioxidant supplement for your cat will depend on their individual needs. However, some factors to consider when choosing an antioxidant supplement for your cat include their age, health condition, and any medications they are taking. You should also talk to your veterinarian about which antioxidant supplement would be best for your cat.
5. What is the best dosage of antioxidant supplement for my cat?
There is no definitive answer to this question as it will vary depending on the specific needs of your cat. However, it is generally recommended to give your cat between 50 and 100 mg of antioxidant supplement per day.
Conclusion
On the market, there are numerous best cat antioxidant supplements. Hopefully, the list of the top ten best cat antioxidant supplements will save you time researching and deciding on the best one for you.