What's Inside Counts. The Nutrena® brand offers a complete line of feeds and supplements designed to provide optimum nutrition for horses, livestock, pets and more. Our feed isn’t just grown, it’s crafted. Real science goes into putting the nutrients animals need into each Nutrena® feed product. What’s inside the feed counts. For animals, health and happiness go hand in hand. Both are a result of the quality of care they get from owners raising them to be their best. And much of that comes from the quality nutrition they’re being fed. Our feed sustains the animals you care for. What’s inside them, literally, counts.