A naturally occurring reddish pigment, astaxanthin has high levels of beta-carotene to support immune functions and help fight against free radical damage. It can help prevent diseases in the central nervous system, spinal cord and even eyes by crossing the blood-brain and blood-retina barriers to provide antioxidants to parts of the body that don’t normally receive any.

Nutritious moringa leaves are packed with vitamins, minerals and essential amino acids. Plus they’re rich in antioxidants, including vitamin C, beta-carotene, quercetin and chlorogenic acid, to help protect against free radicals associated with heart disease

Blackberries are USDA-ranked as one of the top 10 antioxidant foods. They are rich in anthocyanins, which have powerful anti-inflammatory effects and can help boost defenses against free radicals.

Blueberries have the highest amount of antioxidants out of any fruit, which can help prevent cell damage and many types of cancer in both humans and canines. They’re packed with fiber, phytochemicals, selenium, zinc, iron, vitamins C, K and B-complex and anthocyanins, which have anti-inflammatory properties.

Cantaloupe is loaded with vitamins A, C and B-complex, along with nutrients that build a healthy immune system like fiber, beta-carotene, potassium, magnesium, thiamine, niacin, pantothenic acid and folic acid.

Honey is purported to have antimicrobial and antifungal properties, reduce inflammation, soothe stomach ulcers and may help with seasonal allergies. It also contains natural sugars that can have a variety of medicinal benefits.

Mango is surprisingly high in vitamin C, which aids your dog’s immune system. It contains more than 20 different vitamins and minerals and is full of fiber and nutrients like mangiferin, which studies have found may help protect against inflammation in animals.

Oats contain phytonutrients and polyphenols called avenanthramides, which have anti-inflammatory and anti-itching properties. They’re also a good source of selenium, a powerful antioxidant that may help reduce the risk of cancer and protect against heart disease.

Raspberries are loaded with fiber, antioxidants, potassium, manganese, copper, iron, magnesium and vitamins C, K and B-complex. They also contain ellagitannin, which may help prevent the growth of cancerous pet cells.