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.

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.

✅ BETTER QUALITY OF LIFE. Are you concerned about your pet's quality of life? Outward signs of discomfort, anxiety, and stress can have a devastating impact on our pet family. We're here to help.

✅ IMMUNE SUPPORT. Vet-strength Immune SURE herbal formulation supports your dog's natural immune defenses and innate resistance to keep them healthy and strong. Promotes your pet's optimal immune response.

✅ ANTIOXIDANT PROTECTION. Ongoing cellular damage from free-radicals can impair immune function and make your dog more vulnerable to chronic conditions or cancer. Antioxidants in Immune Sure, including vitamin C, help protect your pet from oxidative stress due to free-radical damage.

DOG MULTIVITAMIN AND OMEGA BUNDLE: As they age, it is essential for dogs to get the right vitamins to support their growth. Our dog joint supplement bundle of Daily Adult Essential Multivitamins (60 count) + Omega Max w/ Turmeric (60 count) is pawfect to do just that. Use our dog vitamins and supplements to help protect and support your dog with ensuring they get essential vitamins as they age and a healthy-looking coat to match.

DAILY ESSENTIALS MULTIVITAMIN FOR DOGS: Our advanced formula contains essential vitamins and minerals for your dog’s long-term health, including Calcium, Phosphorus, Potassium, Magnesium, Iron, Vitamin A, Vitamin C, Vitamin D, Vitamin E, Vitamin B and more . And with a rich boost of antioxidants, it helps fortify the overall immune health too.

OMEGA MAX w/ TURMERIC: These dog turmeric chews are formulated by veterinarians to promote healthy skin and coat, and provide important support for heart, brain and hepatic liver health. Our dog turmeric soft chews are formulated with Omega-3, Omega -6, Omega-9, turmeric Curcumin and Vitamin E.

ADVANCED IMMUNE SUPPORT FOR CATS: Fuel your pet with the nutrients she needs to stay healthy and boost her immune system with cat health supplements that feature antioxidants and much-needed nutrients and amino acids to stay active.

HELP STRENGTHEN CAT IMMUNITY: Give your furry friend the immune boost she needs with these health supplements for cats that are infused with veterinarian-approved ingredients such as amino acids and L-Lysine.

PET EYE HEALTH SUPPLEMENT: A healthy immune system and eye health is 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 cat eye health.

🐕 NO MORE TUMMY & GAS ISSUES - Support your pup’s gut health with these soft chews full of dog probiotics and digestive enzymes. Doctor Doggo's dog probiotic supplement aids in nutrient absorption, overall digestive health, and immune support.

🦴 GOOD BACTERIA MEANS A HEALHY GUT - With a 6-strain probiotic blend and a 7 digestive enzymes for dogs blend that includes amylase, lypase, cellulase, papain, and bromelain, Doctor Doggo’s Digestive Chews supports proper bowel function and gut flora.

🐕 NUTRIENT & ANTIOXIDANT RICH - Fight free radicals and improve nutrition with powerful antioxidants found in pumpkin and apple pomace. These vitamin rich ingredients reinforce your dog’s immune system and bowel health through vitamins and minerals.

Reishi Mushroom Capsules for Longevity & Relaxation: Made only from 100% real mushrooms, the Reishi Mushroom supplement is the ultimate natural dietary supplement that can provide your body with better sleep and relaxation. Studies show that Reishi may help fight fatigue due to the occasional stress from work while helping to support normal immune function.

Cordyceps Capsules for Energy & Vitality: Made using hand-picked and 100% cordyceps militaris mushroom extract, the Cordyceps-M from Real Mushrooms is a potent dietary supplement formulated to provide you with energy, vitality, and immune support. Taking two (2) vegan capsules a day is equivalent to consuming 10 grams of fresh mushrooms - giving you a sufficient dose of beneficial beta-glucans, triterpenes, and other nutrients.

Organic Mushrooms for Dogs & Cats: Be a supportive fur parent and pull all the stops when it comes to your buddy's well-being. These calming bites for dogs contain Reishi extracts rich in antioxidants for liver and cardiovascular health as well as Lion's Mane extract for stimulating nerve growth, digestive health, and neurological functions support. 60 servings of calming chews for cats and calming dog chews.

Cordyceps Capsules for Energy & Vitality: Made using hand-picked and 100% cordyceps militaris mushroom extract, the Cordyceps-M from Real Mushrooms is a potent dietary supplement formulated to provide you with energy, vitality, and immune support. Taking two (2) vegan capsules a day is equivalent to consuming 10 grams of fresh mushrooms - giving you a sufficient dose of beneficial beta-glucans, triterpenes, and other nutrients.

Made Only From Hot Water Extracted Cordyceps Militaris Mushrooms: Real Mushrooms Cordyceps supplement is made using the fruiting bodies of the Cordyceps militaris, not Cordyceps sinensis. Unlike other mushroom supplements, we don’t use mycelium, grains, additives, or fillers. Hot water extraction breaks down the tough cell wall of these mushrooms, allowing for improved bioavailability of the important beneficial compounds.

Essential Mushroom Supplement for Pets: Don't let anything get in the way of you enjoying more time with your best buds. Our Pet Immune Chews are specially formulated with Real Mushrooms 5 Defenders making for the perfect dog health supplement in the form of tasty treats. Made from 100% real organic Chaga, Maitake, Shiitake, Reishi & Turkey Tail mushrooms, every pet chew gives the energy, vitality, and immune system support your dog or cat needs