Best Capsule Dog Antioxidants in 2026

Rich Omega-3 Support – Zesty Paws Omega Bites are delicious chewable supplement treats with Omega fatty acids (with EPA and DHA), vitamins, and nutrients to help dogs look and feel their best.

Features AlaskOmega – Derived from Wild Alaskan Pollock, this premium ingredient provides a clean and pure source of omegas (with EPA and DHA) to boost your pup's wellness.

Healthy Skin = Happy Dog! – This formula contains Fish Oil, Biotin, Vitamin C and E. These vitamins, omegas, and antioxidants may help with dry, sensitive skin.

Rich Omega-3 Support – Zesty Paws Omega Bites are delicious chewable supplement treats with Omega fatty acids (with EPA and DHA), vitamins, and nutrients to help dogs look and feel their best.

Features AlaskOmega – Derived from Wild Alaskan Pollock, this premium ingredient provides a clean and pure source of omegas (with EPA and DHA) to boost your pup's wellness.

Healthy Skin = Happy Dog! – This formula contains Fish Oil, Biotin, Vitamin C and E. These vitamins, omegas, and antioxidants may help with hot spots and dry, itching, irritated, sensitive, and flaky skin.

Skin, Brain, and Heart Health for Dogs: Our omega 3 for dogs is much more than just salmon oil for dogs. It's a unique combination of 4 smaller fish that creates a pure, potent, omega 3 fish oil blend. Active Chews dog supplements may help relieve skin and dog coat conditions, itchy skin, flaking, and hot spots while supporting the immune system and promoting heart and brain health.

Skin and Coat: A blend of flaxseed, algae and cold-water fish oils plus biotin delivers a mega boost of Omega-3, 6, 9 fatty acids to help support healthy skin and a shiny, pettable coat.

Immune Support: Vitamins C and E work as immune support supplements by supplying powerful antioxidants to help protect against harmful free radicals.

HERE’S THE HEALTHIEST ORGANIC ANTIOXIDANT SUPPLEMENT FOR YOUR PET! RestoraPet's premium organic pet supplement for dogs, cats, horses, rabbits, hamsters, and other mammals is designed to help your pet combat inflammation while increasing energy levels naturally.

YOUR DOG WILL LOOK & FEEL HEALTHIER AFTER JUST A FEW DAYS! Ideal for puppies and senior doggos, our joint supplement for dogs contains 11 antioxidants, which will help reduce joint pain, improve mobility and increase muscle strength. Great also as dog arthritis pain relief. You will see a difference after just a few days.

IMPROVE YOUR DOG OR CAT’S IMMUNE SYSTEM & MOBILITY NATURALLY! with our organic, non-GMO formula, which contains Vitamin E, CoQ10, Vitalitrol, Omega 3 for Dogs with high EPA/DHA, Lutein, Zeaxanthin and Linoleic Acid. This vet-approved multivitamin for pets will improve your kitten’s coat and reduce pain or inflammation.

Daily Eye Care Soft Chews - Zesty Paws Senior Vision Bites are grain free chewable supplements with vitamins, antioxidants, and Omega-3 to promote eye health for senior dogs of any breed or size.

Advanced Lutein for Canine Seniors - This formula features Lutemax 2020, a marigold extract comprised of Lutein and Zeaxanthin to help senior dogs with eye strain and carotenoid levels.

Omega-3 Fatty Acid for Eyes - Senior Vision Bites also feature Cod Liver Oil and DHAgold, an algae derived source of Omega 3 DHA to support overall eye function to help eye function for older dogs.

Real Alaskan Salmon Oil - Helps Maintain Healthy Skin + Glossy Coat - These natural salmon flavored salmon oil supplement snacks are made using sustainably sourced Wild Alaskan Salmon, Kelp, Vitamin E and DHA. Each chew contains more Omega-3 and Omega-6 fatty acids than most other salmon supplements and will help maintain moisture in the skin, support skin health, a glossy coat and may help reduce unseasonal or excessive shedding.

Gentle, Natural + Made In The U.S.A. - At PetHonesty we're committed to premium quality ingredients and strict safety standards. Our dog chews are made in the USA with only the highest-quality US and globally sourced ingredients derived from natural sources like salmon oil and kelp and contain NO harsh preservatives, corn, soy, GMOs or chemical ingredients.

Soft Chews That Dogs Actually Want! - Our salmon dog supplements come in the form of a delicious soft chew flavored with natural salmon that your dog will LOVE. No more hiding liquids, pills, tablets or powders in your dog's food! Our delicious supplement chews provide a bonding experience for you and your dog. 9 out of 10 dogs gobbled these up in a blind taste test.

REAL WILD ALASKAN SALMON OIL - Helps Maintain Healthy Skin + Glossy Coat - These natural salmon flavored salmon oil supplement snacks are made using sustainably sourced Wild Alaskan Salmon, Kelp, Vitamin E and DHA. Each chew contains more Omega-3 and Omega-6 fatty acids than most other salmon supplements and will help maintain moisture in the skin, support skin health, a glossy coat and may help reduce unseasonal or excessive shedding.

GENTLE, NATURAL + MADE IN THE U.S.A. - At Strawfield Pets we're committed to premium quality ingredients and strict safety standards. Our dog chews are made in the USA with only the highest-quality US and globally sourced ingredients derived from natural sources like salmon oil and kelp and contain NO harsh preservatives, corn, soy, GMOs or chemical ingredients.

SOFT CHEWS THAT DOGS LOVE! - Our salmon dog supplements come in the form of a delicious soft chew flavored with natural salmon that your dog will LOVE. No more hiding liquids, pills, tablets or powders in your dog's food! Our delicious supplement chews provide a bonding experience for you and your dog.

An Advanced Anxiety Formula for Dogs – Zesty Paws Calming Bites are turkey flavored chewable supplements with natural and organic ingredients that help dogs with nervous, anxious, or aggressive behaviors feel calm and comfortable.

Features Suntheanine – These calming dog chewables contain 30mg of Suntheanine per chew, which is a pure and GRAS-designated form of L-Theanine that helps stimulate brain waves to promote relaxation with no drowsy effect.

Rich Omega-3 Support – Zesty Paws Omega Bites are delicious chewable supplement treats with Omega fatty acids (with EPA and DHA), vitamins, and nutrients to help dogs look and feel their best.

TriMega OMEGA 3 6 9 COMPLEX - Healthy dog treats sourced from Safflower Oil, Salmon Oil, and Fish Oil to support holistic body functioning — including cognition, mobility, immune system and more.

REAL WILD ALASKAN FISH OIL - Dermabliss Omega & Skin Soft Chews are specially formulated with Omega 3 for dogs to help maintain healthy skin and overall health, with supportive ingredients like Biotin, Zinc, and Antioxidants to provide a comprehensive daily dog supplement.

SUPPORTS HEALTHY ANAL GLANDS - Glandex dog supplements were created by veterinarians specifically to help support healthy anal gland function in dogs. With a patented and unique Fiber Blend including Pumpkin Seed, these soft chew treats support bulky and firm stools and assist in the natural emptying of anal glands.