Best Antioxidants for dogs of 2025

Chloe Foster Avatar
Chloe Foster
Last Updated: 7 May 2023

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Antioxidants for dogs are a range of dietary supplements designed to support the health and wellbeing of dogs. These supplements contain essential vitamins, minerals and other nutrients that help to protect the body against the damaging effects of free radicals, which can cause oxidative stress and contribute to the development of various health problems. Antioxidants for dogs are available in various forms, including tablets, capsules, and powders, and can be added to a dog's food or given as a treat. These supplements are recommended by many veterinarians to help maintain a healthy immune system, improve skin and coat health, and support overall vitality and longevity in dogs.

At a Glance: Our Top Picks

Cranberry Soft Chews for Dogs - Kidney, Bladder & Urinary Tract Wellness Supplement - With D Mannose & Organic Astragalus + Antioxidants - Natural Immune System Booster - Bacon Flavor - 90 Count Cover #TOP 1
Cranberry Soft Chews for Dogs - Kidney, Bladder & Urinary Tract Wellness Supplement - With D Mannose & Organic Astragalus + Antioxidants - Natural Immune System Booster - Bacon Flavor - 90 Count
ftb score rating icon 9.8
Cranimals Gold Herbal Supplement, 4.2 Ounce Cover #TOP 2
Cranimals Gold Herbal Supplement, 4.2 Ounce
ftb score rating icon 9.7
Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets Cover #TOP 3
Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets
ftb score rating icon 9.5

Top 8 Antioxidants for dogs

#TOP 1

Cranberry Soft Chews for Dogs - Kidney, Bladder & Urinary Tract Wellness Supplement - With D Mannose & Organic Astragalus + Antioxidants - Natural Immune System Booster - Bacon Flavor - 90 Count

60-YN0T-IF07
3.50 x 3.50 x 4.00 inches
0.93 pounds
Cranberry Soft Chews for Dogs - Kidney, Bladder & Urinary Tract Wellness Supplement - With D Mannose & Organic Astragalus + Antioxidants - Natural Immune System Booster - Bacon Flavor - 90 Count Cover
Cranberry Soft Chews for Dogs - Kidney, Bladder & Urinary Tract Wellness Supplement - With D Mannose & Organic Astragalus + Antioxidants - Natural Immune System Booster - Bacon Flavor - 90 Count

Features
Enhanced With Cran-Max Cranberry - Each Chew Contains 200mg Of Cran-Max, A Pure Cranberry Concentrate Formulated With Patented Bio-Shield Technology - Clinically Proven To Promote Bladder & Urinary Health.
Urinary Tract Support - Zesty Paws Cranberry Bladder Bites Are Formulated To Promote Kidney & Bladder Health. With 200 Mg Of Cranberry & Organic Ingredients, These Chewables Can Help Pets UT Wellness
Promotes Kidney & Bladder Health - These Chews Also Contain Organic Marshmallow Root & Astragalus Help Flush Toxin Buildups From The Kidney & Bladder For Comfortable Urination, And Include Anti-Inflammatory Properties.
Powerful Ingredients - These Bite-Sized Chewable Supplements Feature Organic Licorice Root, D Mannose, & Nettle Seed To Detox The Kidneys, Defend The UT Lining, Aid Digestive Support, And Encourages Healthy Urine Flow.
A Pet Supplement You Can Trust - At Zesty Paws, We Understand How Much Your Pet's Health And Wellness Means To You, So We Manufacture Our Easy-To-Chew Products In FDA-Registered Facilities That Are NSF And GMP-Certified In The USA.
#TOP 2

Cranimals Gold Herbal Supplement, 4.2 Ounce

Cranimals
CranG
1.00 x 4.00 x 6.00 inches
0.26 pounds
Cranimals Gold Herbal Supplement, 4.2 Ounce Cover
Cranimals Gold Herbal Supplement, 4.2 Ounce

Features
Cranimals Gold Combines Our Original Cranberry Extract With DHA
4.2 Ounces
DHA Omega 3 Is An Anti-Inflammatory Substance Important For Neurological, Skin, Brain, Eye, And Heart Health
#TOP 3

Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets

Protexin
VE-010
Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets Cover
Denamarin for Medium Dogs Tablet 225 mg, Pack of 30 Tablets

Features
Denamarin Contains SAMe And Silybin
Denamarin Provides High-Level Support For Your Pet's Liver
Enteric Coated Tablets To Protect Them From Being Oxidised
Different Sizes For Different Breeds
#TOP 4

ADVANCED LIVER CARE DETTOX for DOGS and CATS - AWARD WINNING PRODUCT! - with Concentrated Milk Thistle - All Natural Ingredients - One of the most Advanced Veterinary Formula's available! - 90 Caps

0.11 pounds
ADVANCED LIVER CARE DETTOX for DOGS and CATS - AWARD WINNING PRODUCT! - with Concentrated Milk Thistle - All Natural Ingredients - One of the most Advanced Veterinary Formula's available! - 90 Caps Cover
ADVANCED LIVER CARE DETTOX for DOGS and CATS - AWARD WINNING PRODUCT! - with Concentrated Milk Thistle - All Natural Ingredients - One of the most Advanced Veterinary Formula's available! - 90 Caps

Features
ALL NATURAL INGREDIENTS - Including The Most Concentrated Milk Thistle Extract (80% Silymarin) On The Market Today. Known For Its Powerful Antioxidant And Anti Inflammatory Effects. No Artificial Additives, Preservatives, Colourants Or Flavours.
EXTRA STRENGTH VETERINARY FORMULA FOR DOGS AND CATS With Natural Liver-Bacon Flavouring (90caps). Can Be Given Whole Or Opened And Sprinkled With Food. One Capsule Per 10kgs In Weight.
THIS IS ONE OF THE BEST LIVER SUPPLEMENTS ON THE MARKET TODAY Supporting The Liver Against Toxins, Stimulating Growth Of Cells To Replace Those Damaged Or Killed. May Aid Faster Recovery From Illness, Adverse Reactions To Vaccinations And Other Medical Issues Such As Chemotherapy, Liver Disease, Diabetes, Inflammatory Bowel Syndrom, Epilepsy And Fatty Liver Syndrome In Both Dogs And Cats.
DEVELOPED AND USED BY VETS - CURRENTLY IN OVER 500 UK VET PRACTICES So Already Tried And Credible. Manufactured In Pharmaceutical Grade Facilities Using Human Grade Ingredients And Accredited With GMP Certification (Good Manufacturing Practice) With A Full Complex Of B Vitamins And Alpha Lipoic Acid To Also Promote Normal Liver Function This Supplement Has A Variety Of Benefits For Both Your Cats And Dogs.
A GREAT DETTOX TO HELP SUPPORT GOOD HEALTH IN BOTH DOGS AND CATS - Can Be Used For Short Or Long Term Maintenance Of Conditions - Make Sure You Pet Is Safe And Supported, Take A Look At Our Other Broadreach Nature + Health Care Products Too For All Your Pets Health Care Needs. Winner Of Global Award Animal Health Supplements Of The Year 2019!
#TOP 5

GWF Nutrition Odour Aid For Dogs Bottle 500 ml

gwfnutrition
14OA500
GWF Nutrition Odour Aid For Dogs Bottle 500 ml Cover
GWF Nutrition Odour Aid For Dogs Bottle 500 ml

Features
Helps Maintain Low Level Body Odour.
Helps Maintain Fresh Breath.
Helps Maintain The Neutralisation Of Free Radicals.
Helps Maintain An Active Immune System.
Available In User Friendly 500ml Bottles
#TOP 6

cdVet Naturprodukte Singulares Egyptian Black Cumin Oil 100 ml - Dog, cat, horse, pigeons, pets - support for strong performance requirements + immune system - rich in vitamins

0.42 pounds
cdVet Naturprodukte Singulares Egyptian Black Cumin Oil 100 ml - Dog, cat, horse, pigeons, pets - support for strong performance requirements + immune system - rich in vitamins Cover
cdVet Naturprodukte Singulares Egyptian Black Cumin Oil 100 ml - Dog, cat, horse, pigeons, pets - support for strong performance requirements + immune system - rich in vitamins -

Features
The Best Health Supplement For Your Pet
Pure And Natural With No Artificial Additives
Made With Natural Ingredients
APPLICATION: The Recommended Amount Of Caraway Seed Oil Is Added To The Animal's Daily Feed, Depending On The Performance Requirements, Or It Is Specially Fed For Breeding, Moulting, Competitions And Breed Shows
#TOP 7

cdVet Naturprodukte Teebaumöl 10 ml - Animal - special product - versatile - high quality - gentle - natural + pure - well-being - water bath distillation process - compatible

cdVet Naturprodukte Teebaumöl 10 ml - Animal - special product - versatile - high quality - gentle - natural + pure - well-being - water bath distillation process - compatible Cover
cdVet Naturprodukte Teebaumöl 10 ml - Animal - special product - versatile - high quality - gentle - natural + pure - well-being - water bath distillation process - compatible -

Features
The Best Health Supplement For Your Pet
Pure And Natural With No Artificial Additives
Made With Natural Ingredients
#TOP 8

cdVet Naturprodukte Fit-BARF Sensitive 20 kg - Dog & Cat - grain-free - balanced nutrition in raw feeding - pancreas, kidney, liver, reduction diets - vitamins - BARF

4094
44.51 pounds
cdVet Naturprodukte Fit-BARF Sensitive 20 kg - Dog & Cat - grain-free - balanced nutrition in raw feeding - pancreas, kidney, liver, reduction diets - vitamins - BARF Cover
cdVet Naturprodukte Fit-BARF Sensitive 20 kg - Dog & Cat - grain-free - balanced nutrition in raw feeding - pancreas, kidney, liver, reduction diets - vitamins - BARF -

Features
The Best Health Supplement For Your Pet
Pure And Natural With No Artificial Additives
Made With Natural Ingredients
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What's a good antioxidant for dogs?

Try adding a few of these dog-friendly, antioxidant-rich foods to their diet slowly to see how well your dog tolerates them: Blueberries, blackberries, raspberries, strawberries. Cooked yellow squash, carrots, sweet potatoes. Steamed broccoli, spinach, kale, green beans.

2. What do antioxidants do for a dog?

Unlike humans, dogs are regularly exposed to more toxins, making antioxidant supplements crucial for optimal health. Antioxidants boost the immune-cell function for senior dogs and slow down the aging process of cellular molecules.

3. Are there antioxidants for dogs?

There are two types of antioxidants commonly used in dog foods — natural and synthetic. Natural antioxidants include vitamins C, E, citric acid, and some herbal sources like rosemary. Vitamin C can be taken from common fruits and vegetables like cranberries, apples, tomatoes, blueberries, and more.

4. What are examples of antioxidants?

Examples of antioxidants include vitamins C and E, selenium, and carotenoids, such as beta-carotene, lycopene, lutein, and zeaxanthin.

Editor's Notes

During our antioxidant for dogs research, we found 8 antioxidant for dogs products and shortlisted 8 quality products. We collected and analyzed 29,346 customer reviews through our big data system to write the antioxidants for dogs list. We found that most customers choose antioxidants for dogs with an average price of £24.67.

The antioxidants for dogs are available for purchase. We have researched hundreds of brands and picked the top brands of antioxidants for dogs, including Zesty Paws, Cranimals, Protexin, Broadreach Nature +, gwfnutrition. The seller of top 1 product has received honest feedback from 630 consumers with an average rating of 4.8.

Written by
Chloe Foster Avatar

Happy Pet Happy Owner by Chloe Foster sold over 100 thousand copies in the UK. Chloe worked as a veterinarian in The Veterinary Medicines Directorate, Woodham. She stayed for seven years before coming home to set up her pet store in Swansea. Chloe is an experienced veterinarian with a flair for literature. Chloe is vast in the knowledge of animals, animal nutrition, medication, and care.