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7 Powerful Antioxidants That Can Help Prevent Cancer in Dogs

By: Zyra Capalac
Zyra is a Special Project Coordinator of HomeLife Media and a writer for iHeartDogs.com. She has 3 dogs namely Skye, Luna, and one of them is a rescue, named Tesla.Read more
| March 24, 2025

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Antioxidants play a crucial role in neutralizing harmful free radicals in a dog’s body, which can contribute to cancer development. By incorporating powerful antioxidants into your dog’s diet, you can help support their immune system, reduce oxidative stress, and potentially lower their cancer risk. Here are seven of the most effective antioxidants for dogs.

Turmeric

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Turmeric contains curcumin, a potent antioxidant known for its anti-inflammatory and anticancer properties. Studies suggest that curcumin can help inhibit tumor growth and promote apoptosis (cell death) in cancerous cells. You can add turmeric to your dog’s diet through homemade meals or supplements like Glucosamine and Turmeric Chews (on Amazon), which also support joint health.

Blueberries

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Blueberries are rich in vitamins C and E, as well as flavonoids, which provide strong antioxidant protection. These compounds help combat oxidative stress and may reduce DNA damage that can lead to cancer. Adding fresh blueberries to your dog’s food or choosing a supplement such as Beef Topper with Carrots and Blueberries (on Amazon) ensures they receive these powerful benefits.

Green Lipped Mussels

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Green-lipped mussels contain a variety of antioxidants, including omega-3 fatty acids and carotenoids. These nutrients help reduce inflammation and protect against cellular damage, which is vital in preventing cancer. Consider feeding your dog a supplement like Green Lipped Mussel and Chondroitin Hip and Joint Supplement (on Amazon) to provide them with these essential nutrients.

Carrots

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Carrots are packed with beta-carotene, a precursor to vitamin A that helps strengthen the immune system and reduce oxidative stress. The high fiber content also supports digestive health, further contributing to overall wellness. Treat your dog with healthy options like the Beef Topper with Carrots and Blueberries (on Amazon) to boost their antioxidant intake.

Collagen

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Collagen is known for its benefits in supporting joint health, but it also contains antioxidants that contribute to cellular repair and longevity. It may help reduce inflammation, which is linked to cancer progression. A product like Beef Topper with Collagen (on Amazon) can provide this essential protein to keep your dog healthy.

Vitamin E

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Vitamin E is a fat-soluble antioxidant that protects cell membranes from oxidative damage. It is crucial for immune function and may help slow cancer progression. Foods such as spinach, nuts, and fish contain vitamin E, and dog-friendly supplements like Senior 7 Anti-Aging Support for Dogs with Antioxidants (on Amazon) can ensure they receive the right amount.

Selenium

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Selenium is a trace mineral that works synergistically with vitamin E to protect cells from free radical damage. It also plays a role in DNA repair and reducing inflammation. This mineral is found in foods like fish, eggs, and sunflower seeds. Including selenium-rich foods in your dog’s diet or choosing a balanced antioxidant supplement can be beneficial.

Give Your Dog the Best Defense Against Cancer

Midjourney

Incorporating these powerful antioxidants into your dog’s diet can help strengthen their immune system and reduce the risk of cancer. Whether through whole foods or high-quality supplements, making antioxidants a priority can promote long-term health and longevity for your furry friend. Disclosure: As an Amazon Associate, iHeartDogs earns from qualifying purchases.

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