The Best Cat Antioxidant Supplements

Looking for the best Cat Antioxidant Supplements?

Discover now our comparison of the best Cat Antioxidant Supplements. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Cat Antioxidant Supplements are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Cat Antioxidant Supplements in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Cat Vitamins - Spectrin 16 OZ - Liquid Vitamin & Antioxidant Supplement for Cats - 96 doses

Nusentia's full spectrum liquid feline multivitamin: Spectrin for Cats : Best Value per Ounce! Includes antioxidants, vitamins, minerals, and key nutrients for vibrant skin, coat, and allergy support. Great for excessive shedding and allergies in cats.
Easy dosing: Liquid cat vitamins absorb faster and cats love it!
Up to 96 doses per container
Made in the USA : Certified GMP : All Natural : Effective : Quality Tested
Ideal for cats and kittens of all ages and stages.

No. 2

Life Gold for Cats - Supports Detoxification & Healthy Immune Defenses, Astragalus, Burdock, Sheep Sorrel - Pet Wellbeing Vet-Formulated Holistic Supplement – 2 oz (59 ml)

BETTER QUALITY OF LIFE. Is your feline friend thriving? We’d be honored to help your cat live their happiest and healthiest life possible.
IMMUNE SYSTEM CARE. A veterinarian-formulated holistic supplement featuring herbs renowned for their ability to support the immune system and help maintain your cat’s vibrant vitality.
ANTIOXIDANT SUPPORT. Life Gold herbal ingredients provide antioxidant support that helps maintain antioxidant and free-radical balance which is essential for immune resilience.
HEALTHY DETOXIFICATION. Gentle support for your cat’s elimination channels, including bowel, lymphatics, and lungs to help maintain healthy removal of waste byproducts.
VETERINARIAN-FORMULATED. MADE IN USA. MONEY-BACK GUARANTEE. TRUSTED CARE SINCE 2001. Expertly developed by our compassionate team of in-house holistic veterinarians to offer your pet essential health support. All our vet-formulated supplements are proudly produced in FDA-registered, GMP-certified facilities in the USA. Each product is made with the highest-quality ingredients and undergoes rigorous testing for purity.

No. 3

Cat Multivitamin Crunchy & Creamy Chews - Cat Treats for Health + Immune, Joint Support, Skin & Coat, & Digestion - Vitamins with Omega 3s, Lysine & Probiotics (30 Day Supply)

A Texture and Taste Cats Love: Pet Honesty’s Multivitamin for cats is a delicious supplement that contains essential vitamins, minerals, and nutrients to support your cat’s overall health. Powerful, wholesome ingredients are packed inside a unique texture format: crunchy on the outside and creamy on the inside, offering a taste and texture combination that cats love.
Help Support Overall Health & Immune Function: These easy-to-give chews contain key functional ingredients to support overall immune, heart, joint, skin, and gut health. Plus, with a taste and texture 4/5 cats love*, giving them a chew is a simple way to ensure your cat is getting a well-rounded variety of important nutrients added to their diet. *Based on a 2022 feeding study
Made with Natural & Other Premium Ingredients Like Lysine, Beta Glucan, and Omega-3s: Multivitamin chews are filled with health-supporting ingredients you can trust. Lysine, an essential amino acid, supports immune and respiratory health. Beta Glucan, a premium prebiotic, supports gut and digestive health. Omega-3s, fatty acids from fish oil, flaxseed, and green-lipped mussels, promote skin, coat, and joint health. All in a delicious chicken-flavored chew 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.

No. 4

VetriScience DMG Immunity Health Easy-Dose Liquid, Vetri DMG Immune Support Supplement for Cats and Dogs, Hypoallergenic, Support Performance, Stamina, Immune Response, 30 ml

Immune Support Supplement for Cats & Dogs: DMG amino acids help support healthy immunity and the production of antibodies to promote a stronger, more responsive, and more resilient immune system
Backed by 30+ Years of Research: DMG has been used in both human & animal care and wellness support for over three decades, and is a well-documented, heavily researched immune support supplement for cats and dogs
DMG for Behavioral Balance: DMG Immunity Health offers both antioxidant and adaptogenic properties to help the body remove toxins and cope with both physical and emotional stress
Physical Stamina & Energy: By supporting healthy circulation and oxygen utilization and helping to lower lactic acid buildup, DMG helps to support physical performance, stamina, healthy energy, and muscle recovery after exercise, making it a great liquid supplement for both active and senior pets
Unflavored, Easy-Dose DMG Liquid: DMG Immunity Health comes in an unflavored, unscented liquid with an easy-dose dropper to make administration simple. Give by mouth, mix into food, or hide in a treat

No. 5

Felisyl Immune System Support(L-Lysine) Granules for Cats 3.5oz(100g)

🌿 Immune Support for Cats: Fuel your pet with the supplements they need to remain healthy and boost their immune system with cat health supplements that add much-needed nutrients and amino acids to continue being active.
💊 L-Lysine: L-Lysine is an essential amino acid that your pet’s body doesn’t produce, so this supplement is the perfect aid that helps support your pet’s immune system so that it can function normally and produce antibodies. L-Lysine also helps maintain healthy tissue supports respiratory health.
🐈 Pet Health Supplement: A healthy immune system and eye health are essential for cats of any age. Ensure your furry friend remains active with healthy vision with these pet health supplements that help support normal inflammatory response and help support cat-eye health.
✅ Quality: Pet Health Solutions is committed to sourcing the most efficacious and highest quality ingredients. Our products meet all the quality and safety standards set by the National Animal Supplement Council (NASC). The NASC Quality Seal is obtained by companies whose products commit to quality, vigilance, and continuous improvement to promote the well-being of companion animals.
🔔 Order Risk-Free: Founded by a veterinarian in 2000, Pet Health Solutions has a wide variety of veterinary strength supplements, medicated shampoos, and topicals for dogs, cats, and horses. If you or your pet are unsatisfied with our product or have questions or concerns, please don't hesitate to contact us.

No. 6

Virbac Rebound Recuperation Formula for Cats, Clear

Help your cat BOUNCE BACK
Fluid therapy for cats during recuperation following surgery or sickness
Contains ESSENTIAL NUTRIENTS ANTIOXIDANTS OMEGAS and PREBIOTICS
Formulated to PROMOTE HYDRATION, NUTRITION and IMMUNE SUPPORT
Promote EATING and DRINKING during recovery
Age range description: All Life Stages
Can be given with or without food

SaleNo. 7

Nutri-Vet Multi-Vite Paw Gel for Cats, Daily Vitamin, Kitten Supplies, Immune Support, Cat Vitamin, Potent Antioxidants, Senior Feline Supplements, 3 oz

DAILY SUPPORT - Veterinarian formulated paw-gel that contains daily vitamins and minerals to keep your cat looking and feeling their best.
IRRESISTIBLE TASTE - Great taste and paw-based application make this a convenient cat calming treat. No tricks or pill pockets needed!
QUALITY FORMULA - Blend of vitamins and minerals to support cats' nutritional needs. No petroleum jelly, wheat, corn, soy, artificial colors or flavors.
MADE BY VETS - Formulated by veterinarians, all Nutri-Vet products are made to the highest standards of quality and consistency.
USA MADE - Made in the USA with premium globally sourced incredients you can trust. All Nutri-Vet supplements carry the National Animal Supplement Council (NASC) quality seal.

No. 8

Dr. Bill’s Feline Immune Support | Boosts Cat Immunity and Health with Colostrum, Beta Glucan, Turkey Tail Mushroom, Zinc & Vitamin C | Powder Supplement for Cats of All Ages

Supports a Strong, Resilient Immune System: Helps your cat fight off illness, recover faster, and stay healthy year-round with proactive daily immune support. Ideal for kittens, adults, and senior cats.
Backed by Science, Powered by Nature: Features clinically studied ingredients like Beta Glucan and Turkey Tail Mushroom to strengthen immune cells, support gut health, and defend against bacteria, viruses, even environmental and seasonal allergies.
Protects at the Cellular Level: Nrf2 Antioxidant Activators, Vitamin C, and Zinc help neutralize harmful free radicals, reduce oxidative stress, and support healthy cellular function for long-term wellness.
Promotes Faster Recovery & Response: Colostrum, Echinacea, and other immune-boosting compounds aid T-cell activity and reduce inflammation, helping your cat bounce back quicker from everyday immune challenges.
Veterinarian-Formulated & Made in the USA: Developed by Dr. Bill Barnett, one of America’s top animal health experts with 40+ years of experience. Crafted in the USA with premium ingredients for purity, safety, and results you can trust.

No. 9

Cat Immune Support Lysine - Cat Allergy Relief - Sneezing, Runny Nose, Watery Eyes - Cat Supplements & Vitamins with Omega 3s, L-Lysine, Antioxidants, Colostrum - Chicken (30 Day Supply)

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!

No. 10

Zesty Paws Cranberry Urinary Tract Bites for Cats - Kidney & Urinary Tract Health - Soft Chews with D-Mannose, Vitamin B6 & L-Arginine - Immune & Gut Support - Bacon - 60 Count

Support You "CRAN" Believe In! – Zesty Paws Cranberry Bladder Bites are supplements with antioxidants, D-Mannose, healthy bacteria, and other ingredients that support your cat when nature calls.
Made with InCRANable – These chewables contain a premium form of Cranberry Concentrate to provide kidney, urinary tract, and antioxidant support for cats of all ages, breeds, and sizes.
Featuring DE111 – This chewable supplement contains DE111, which is a clinically studied Bacillus subtilis that supports gut health and immune system function for your feline pet
Yummy Flavor, Pawsome Support – Each chew comes in a bacon flavor your feline will love, while also providing urinary tract support for male and female cats - big or small!
Urinary Tract Support & Then Some! - These chews include D-Mannose to help maintain normal urinary tract function, while Vitamin B6 provides additional immune system support for pets

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Last update on 2025-07-07 / Affiliate links / Images from Amazon Product Advertising API

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