
While many leading pet food brands cover the front of their bags with beautiful photography or illustrations of healthy ingredients, the ingredient listing on the back is where you can determine whether your pet’s food is of the highest quality.
Why is the first ingredient the most important? How do some brands categorize certain ingredients to make their food appear healthier? Why is corn not necessarily the healthiest ingredient? Take a minute to find out the answers to these questions and more.

Is your pet food healthy? Here’s what to look for.
When evaluating a pet food ingredient listing, consider these factors:
- The first ingredient is the most important because there is more of that ingredient than any other. All pet foods must list the ingredients in their food in order of weight. The first ingredient in BLUE is always real chicken, fish or lamb. As the comparison chart below shows, the first ingredient in some pet food is ground yellow corn (which can be difficult for dogs and cats to digest, and has been linked to allergies in some dogs).

- The top 10 ingredients usually comprise 80% or more of a dry pet food's entire formula and give you a real insight into the formula’s overall quality. For example, if you compare the top 10 ingredients in BLUE Chicken and Brown Rice Recipe dog food to those of most leading dog food brands, the differences in ingredient quality are clear.
- Some pet food brands define their ingredients in several different ways so that the ones of lower quality appear farther down the ingredient list. For example, a product list could contain chicken, ground corn, corn gluten, ground wheat and corn bran. And, if you were to group all of the corn ingredients as one, they would probably far out-weigh the amount of chicken in that food.
- Be sure to read all of the ingredients at the end of the listing to know if any artificial preservatives and colorings are being used.
The kinds of ingredients you’ll find in healthy pet foods.
Now that you have a basic understanding of how to read a label, it’s important to know the specific ingredients that comprise a healthy pet food—as well as the ingredients that should give you pause.
- Real meat, such as chicken, fish or lamb, is a source of high-quality, highly digestible protein. Proteins are essential for growth, maintenance, reproduction, repair and energy.
- Whole grains such as brown rice, barley and oats supply complex carbohydrates to maintain your dog or cat’s energy level.
- Veggies and fruit provide essential phytonutrients, antioxidants and enzymes, plus natural vitamins, minerals and fibers that have been shown to promote health and wellness.
Surprisingly, many leading pet foods contain the ingredients below, which are not of the highest quality.
- Animal by-products are the non-rendered clean parts derived from slaughtered animals: lungs, spleen, kidneys, brain, blood and more.
- Artificial color and chemical preservatives like BHA, BHT, ethoxyquin, and propylene glycol. They provide no nutritional value and have been associated with possible toxic side effects.
- Corn, wheat and soy have been linked to allergic reactions in some dogs and are not as easy to digest.
The bottom line on pet food labels.
Choosing a wholesome pet food for your beloved dog or cat isn’t easy, especially when there are so many brands touting themselves as being healthy. Next time you’re in the store, take a minute and look at the ingredient listing that’s on the dog or cat food you’re using now. With what you’ve learned about pet food labels, that minute could mean a big difference in the health of your pet.
Compare your dog's food to BLUE
Compare your cat's food to BLUE
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