7 Best Astaxanthin Supplements for Dogs - iHeartDogs.com

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7 Best Astaxanthin Supplements for Dogs

By: Arlene Divina
Arlene Divina, one of the content writers at IHD, loves going on adventures with her adorable fur baby. She now creates informative content for pet parents. Read more
| August 25, 2025
iHeartDogs is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.

Astaxanthin, a potent antioxidant, has been gaining recognition in the field of canine health, offering numerous benefits to our furry friends. This naturally occurring compound found predominantly in algae and seafood can help in supporting eye health, joint function, immune response, and skin health in dogs. This article aims to guide you through some of the best astaxanthin supplements for dogs, helping you choose the right one to bolster your pet’s health and wellness.

Keep Your Pup Thriving With the Best Astaxanthin Supplements

#1 – iHeartDogs Omega 3-6-9 for Dogs 

The iHeartDogs Omega 3-6-9 for Dogs is a skin and coat supplement that contains pure Antarctic Krill Oil. It is formulated by veterinarians and offers various health benefits for dogs, including skin and coat health, joint health, heart health, immune system health, cellular health, brain development, and eye maintenance. It provides relief for dogs with itchy skin and allergies, and is allergy-friendly, grain-free, gluten-free, and soy-free. The manufacturing process ensures the viability of the active ingredients, making it a natural and sustainable option for supporting your dog’s health.


#2 – iHeartDogs Vision & Tear Stain Chews for Dogs 

iHeartDogs Vision & Tear Stain Support Dog Supplement

The iHeartDogs Vision & Tear Stain Chews for Dogs is a dog supplement that aims to promote optimal eye health and reduce tear stains. Made with natural ingredients such as krill oil, lutein, cranberry, apple cider vinegar, and vitamin C, these chews not only improve eye moisture and vision but also boost the immune system. With a chicken flavor, this supplement offers a convenient and tasty solution for improving overall wellness in dogs.


#3 – Herbsmith Pure Krill – Wild-Caught Antarctic Krill 

Herbsmith Pure Krill - Wild-Caught Antarctic Krill

Herbsmith Pure Krill is a single-ingredient product made from wild-caught Antarctic krill. It is recommended by holistic veterinarian Dr. Chris Bessent and is packed with potent antioxidants to support overall health and wellness. The product is made in Wisconsin at a state-of-the-art facility and is considered a superior option to chews, as it contains no additives or preservatives. It is also more stable than krill oil, lasting longer and avoiding the risk of becoming harmful.


#4 –  Premium Antarctic Krill Oil Soft Chews for Dogs 

Premium Antarctic Krill Oil Soft Chews for Dogs

These Premium Antarctic Krill Oil Soft Chews for Dogs are a low-allergen and low-calorie formula that can help reduce shedding and improve your pet’s coat health. The soft chews are made with Antarctic krill oil, a superior source of omega-3 and omega-6 fatty acids that are easily absorbed by your pet’s body. They are also free of industrial pollutants and toxins and contain natural astaxanthin and added vitamin E for additional health benefits. Overall, these soft chews provide a convenient and effective way to support your dog’s skin, coat, and overall well-being.


#5 – Eye Support for Dogs – 120 Chewable Tablets

Eye Support for Dogs - 120 Chewable Tablets

The Eye Support for Dogs is a chewable tablet supplement designed to promote eye health in dogs. It contains natural antioxidants, vitamins, and cod liver oil to support overall eye function. The formula includes ingredients like lutein, marigold flower extract, and zeaxanthin to help dogs with low carotenoid levels and eye strain. This supplement is manufactured in FDA-registered facilities in the USA using US and globally sourced ingredients.

Related: The Best Supplements for Puppies (+1 to Avoid)


#6 – Zesty Paws Eye Supplement for Dogs 

Zesty Paws Eye Supplement for Dogs

The Zesty Paws Eye Supplement for Dogs is a chewable supplement designed to promote eye health in senior dogs. It includes Lutein and Zeaxanthin to help maintain normal eye function, as well as Cod Liver Oil and DHA to support overall skin health. The supplement also contains Astaxanthin, Beta Carotene, and other vitamins to provide immune support and keep dogs feeling their best. Zesty Paws is the top-selling dog supplement brand on Amazon.


#7 – Project Paws Omega 3-6-9 Select Fish Oil for Dogs

Project Paws Omega 3-6-9 Select Fish Oil for Dogs

The Project Paws Omega 3-6-9 Select Fish Oil for Dogs is a supplement created by veterinarians to improve a dog’s overall health using natural ingredients. The soft chews contain the perfect balance of omega-3, 6, and 9 fatty acids, providing numerous benefits such as supporting skin and coat, joints, heart, immune system, and cellular health. Additionally, purchasing this product helps provide 14 healthy meals to shelter dogs, making it a thoughtful choice for pet owners.


What Are The Benefits of Astaxanthin For Dogs?

Astaxanthin is a potent antioxidant known for its numerous health benefits in dogs. Here are some of them:

1. Powerful Antioxidant: Astaxanthin has antioxidant properties that can help combat oxidative stress in your dog’s body. This can reduce inflammation and help prevent various diseases, including cancer and heart disease.

2. Promotes Eye Health: It is known for its eye-protecting properties. Astaxanthin can help maintain the health of your dog’s eyes and may even help to prevent cataracts and other eye-related conditions.

3. Supports Joint Health: For dogs suffering from joint conditions like arthritis, astaxanthin can offer some relief. It helps to reduce inflammation and pain associated with these conditions, improving your dog’s mobility and quality of life.

4. Enhances Immune Function: Astaxanthin can support a healthy immune system in dogs, aiding in their ability to fight off infections and diseases.

5. Skin Health: Astaxanthin can improve skin health and promote a shiny coat due to its anti-inflammatory and antioxidant properties.

Always consult with your vet before introducing any new supplements into your dog’s diet, and make sure to choose a product that’s designed specifically for dogs to ensure its safety and effectiveness.

Related: Best Urinary, Kidney, & Bladder Supplements for Dogs

Frequently Asked Questions About Astaxanthin Supplements for Dogs

1) What is Astaxanthin?

Astaxanthin is a powerful antioxidant known for its potential health benefits. It’s a carotenoid—the class of compounds that give certain fruits and vegetables their vibrant colors. Produced by algae, yeast, and some seafood, astaxanthin is noted for potent anti-inflammatory and antioxidant effects.

2) How can Astaxanthin benefit my dog?

Astaxanthin may promote eye health, support joints, enhance immune function, and improve skin health. As a strong antioxidant, it helps combat oxidative stress, which can reduce inflammation and support overall wellness.

3) Can Astaxanthin help with my dog’s arthritis?

Yes. Thanks to its anti-inflammatory properties, astaxanthin may help reduce pain and stiffness associated with arthritis, potentially improving mobility and quality of life.

4) Is Astaxanthin safe for my dog?

Astaxanthin is generally considered safe for dogs when given at appropriate doses. Always consult your veterinarian before starting any new supplement to ensure it’s suitable for your dog’s health status and medications.

5) What’s the recommended dosage of Astaxanthin for dogs?

Dosage varies by size, age, and health needs. Follow your veterinarian’s guidance or the manufacturer’s instructions for the specific product you’re using.

6) How should I give my dog Astaxanthin?

Astaxanthin supplements commonly come as softgels or liquids. You can administer them directly or mix them into food. Always follow label directions or your vet’s advice.

7) Can I give my dog human Astaxanthin supplements?

Use pet-formulated products whenever possible. Human supplements may contain additional ingredients or concentrations that aren’t appropriate for dogs.

8) What are the side effects of Astaxanthin in dogs?

Side effects are uncommon, but excessive doses can cause digestive upset. If you notice vomiting, diarrhea, or other adverse reactions, discontinue use and contact your vet.

9) Can Astaxanthin help improve my dog’s coat?

Yes. Its antioxidant and anti-inflammatory actions can support skin health and contribute to a shinier, healthier-looking coat.

10) Where can I buy Astaxanthin for dogs?

You can purchase astaxanthin for dogs from veterinarians, reputable pet supply stores, and trusted online retailers. Choose products specifically formulated for pets and from reputable brands.

11) Can Astaxanthin support cognitive health in aging dogs?

It may help. By protecting brain cells from oxidative damage, astaxanthin can support cognitive function in senior dogs. While not a cure for cognitive dysfunction, it can be a useful addition to a senior wellness plan under veterinary guidance.

Supporting Joints, Eyes, and Skin With Astaxanthin

When it comes to your pet’s health, only the best will do. By providing your dog with a high-quality astaxanthin supplement, you can help fortify their health, ensuring they live their best possible life. Remember to always consult with your vet before introducing any new supplement to your pet’s diet. Our guide to the best astaxanthin supplements for dogs should provide a solid starting point in your quest to enhance your furry friend’s overall health. After all, a healthy dog is a happy dog!

iHeartDogs is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.

 

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