Dual Defense Antioxidants

What are antioxidants doing for your pet? 

Take an in-depth look at how antioxidants affect your dog on a cellular level.

The Problem


Throughout the day, as your pet digests food, chases a ball around or even breathes, his body is producing free radicals. They're unavoidable - they're a natural by-product of metabolism. Containing one extra electron, free radicals are able to bond with healthy cells, causing cellular deterioration that can lead to negative effects on health. Antioxidants, like those found in Purina ONE pet foods, trap free radicals, helping to support your dog's healthy immune system and promote his healthy skin and coat. We call our blend of nature's antioxidants, formulated with the precision of science, Dual Defense Antioxidants.

How it Helps Your Dog

Antioxidants help to protect your dog's skin and coat, helping to shield him from outside threats. Inside your dog, antioxidants are hard at work helping to promote a healthy immune system.

Free radicals have one extra electron, a negatively charged particle that sticks to the cell, and can start to cause damage. Antioxidants absorb these free radicals, helping to protect the cell inside and out.

Trapping Free Radicals

Free radicals have one extra electron, a negatively charged particle that sticks to the cell, and can start to cause damage. Antioxidants absorb these free radicals, helping to protect the cell inside and out.

The Nutrients in Purina ONE SmartBlend


Here's a glance at the main vitamins and minerals in our antioxidant blend, and just what they do to promote health.

This essential vitamin helps support a healthy immune system and promotes healthy vision.

Helps support a healthy immune system and healthy skin and coat.

When incorporated with proteins, this mineral helps regulate thyroid function and promote a healthy immune system

This mineral is necessary for cell membrane integrity, cellular protein synthesis and carbohydrate metabolism.