What Dog Food Ingredients Should You Avoid? A Practical Guide for Choosing Better Dog Food

Choosing the right dog food can feel overwhelming (what dog food ingredients should you avoid). Walk into any pet store and you will find dozens of formulas, protein sources, preservatives, grains, oils, vitamins, minerals, and unfamiliar ingredient names.

The good news is that you do not need to recognize every chemical-sounding word on a label to make a better decision.

Instead, focus on the overall nutritional quality of the food, whether it is appropriate for your dog’s life stage, and whether the product carries a nutritional adequacy statement showing that it is complete and balanced. The FDA explains that a complete and balanced food is intended to provide the nutrients a dog needs when fed as directed (dog food ingredients to avoid).

For puppies, this is especially important. A growing puppy has different nutritional requirements from an adult dog.

If you have a Cavapoo puppy, choosing an appropriate puppy formula is an important part of establishing healthy eating habits from the beginning.

What Should You Look for on a Dog Food Label?

Before worrying about one individual ingredient, start with the bigger picture.

Look for a food that:

• Is formulated specifically for dogs.
• Is appropriate for your dog’s life stage.
• Provides a complete and balanced diet.
• Clearly identifies its major protein ingredients.
• Provides feeding directions.
• Lists calories and nutritional information.
• Comes from a reputable manufacturer.

AAFCO explains that ingredients on pet food labels are listed from greatest to least by weight (ingredients to avoid in dog food). The first few ingredients therefore deserve particular attention, although the ingredient list alone does not tell you whether a food is nutritionally complete.

Don’t Automatically Fear Ingredients You Cannot Pronounce

One important point is worth emphasizing.

An ingredient with a scientific-sounding name is not automatically harmful.

Commercial dog food is formulated to provide specific nutrients, and some vitamins, minerals, preservatives, stabilizers, and other ingredients have legitimate functions (best dog food ingredients). FDA regulations require animal foods to be safe, produced under sanitary conditions, and truthfully labeled.

Therefore, it is better to evaluate the entire formula instead of automatically labeling every unfamiliar ingredient as dangerous.

Ingredients and Additives Worth Paying Attention To

Some ingredients deserve closer consideration when you are comparing dog foods.

BHA

Butylated hydroxyanisole, commonly called BHA, is an antioxidant preservative used to help prevent fats and oils from becoming rancid.

BHA deserves particular attention because the FDA announced in February 2026 that it has begun a comprehensive reassessment of BHA’s safety under its current conditions of use.

That does not mean every food containing BHA should automatically be considered dangerous. However, if you are comparing otherwise similar foods, you may prefer a formula that uses another preservation system (how to read dog food labels).

Common alternatives can include naturally derived antioxidants such as mixed tocopherols, depending on the individual product.

Artificial Colors

Artificial colors are generally unnecessary from your dog’s nutritional perspective.

Your dog does not need brightly colored kibble to receive adequate nutrition. Color is primarily useful for making food visually appealing to humans.

If two otherwise comparable foods are available and one contains unnecessary artificial coloring while the other does not, choosing the simpler formula may be reasonable (healthy dog food).

Artificial Flavorings

Flavoring ingredients may be included to make food more appealing to dogs.

However, flavoring is different from nutritional adequacy. A food should first provide appropriate nutrition rather than relying on flavor enhancements to make an inferior formula attractive.

AAFCO notes that preservatives, flavoring agents, coloring agents, stabilizers, and similar substances can appear among the minor ingredients on pet food labels (puppy food ingredients).

Added Sugars and Sweeteners

Dogs do not need added sugar as part of a properly formulated diet.

When comparing foods, be cautious about formulas that contain unnecessary sweeteners such as corn syrup.

Corn itself is not automatically a bad ingredient. It can provide carbohydrates and nutrients when appropriately formulated into a complete diet (complete and balanced dog food). The important distinction is between a useful nutritional ingredient and an unnecessary added sweetener.

Unspecified Animal Ingredients

It is reasonable to pay attention to how animal ingredients are identified.

A clearly identified protein source can make a label easier to understand. For example, a label that identifies chicken, turkey, beef, or salmon provides more information than a vague description.

However, it is important not to assume that every ingredient described as a “meal” is poor quality.

AAFCO explains that animal-derived ingredients and byproducts can provide important nutrients, and ingredients such as meat and bone meal have specific nutritional characteristics (dog food preservatives).

So the better question is not simply:

“Does this food contain meat meal?”

Instead ask:

“Is this ingredient part of a properly formulated, complete and balanced diet?”

What About White Flour and Other Fillers?

You may see claims online that certain grains or flours should automatically be avoided.

The reality is more nuanced.

Dogs can digest carbohydrates, and grains can provide energy and nutrients when they are appropriately incorporated into a balanced diet (dog food additives). AAFCO specifically notes that grains and other plant ingredients can be legitimate components of pet food.

Rather than automatically rejecting a food because it contains rice, corn, wheat, or another grain, look at the complete nutritional profile.

For dogs with a diagnosed food allergy or other dietary requirement, your veterinarian may recommend a specific ingredient restriction or therapeutic diet.

What About MSG?

MSG, or monosodium glutamate, is another ingredient that is frequently discussed online.

It is better not to assume that every ingredient containing the word “glutamate” is automatically dangerous.

Pet food ingredients can have different purposes and may appear under specific ingredient names. AAFCO explains that ingredient lists can contain numerous minor ingredients that provide nutrients or serve technical functions such as preservation, stabilization, flavoring, or processing (choosing dog food for puppies).

If your dog has a known dietary sensitivity, discuss the specific food and ingredient list with your veterinarian rather than relying on a generic online ingredient blacklist.

What About Farmed Salmon?

You may also see claims that farmed salmon should always be avoided.

This is too broad.

Salmon can provide protein and fat, including omega-3 fatty acids, and the quality of a complete dog food cannot be determined simply by whether its salmon is wild-caught or farmed.

Instead, evaluate the entire formula, nutritional adequacy statement, manufacturer, feeding instructions, and your dog’s individual needs.

What About Nitrates and Nitrites?

Certain nitrate and nitrite compounds can be used for specific purposes in food manufacturing.

Their presence does not automatically mean a dog food is unsafe.

The FDA explains that animal-food ingredients and additives must have an appropriate legal basis for their intended use, such as being approved food additives or recognized as safe for that use.

If you are concerned about a specific ingredient, checking the manufacturer’s information and discussing the product with your veterinarian is more reliable than assuming that an ingredient name alone makes the entire food dangerous (what dog food ingredients should you avoid).

What About Sodium Tripolyphosphate?

Sodium tripolyphosphate, or STPP, can serve technical functions in pet food.

It is another example of why simply seeing a chemical-sounding name does not necessarily mean the ingredient is unsafe.

AAFCO explains that minor pet-food ingredients can include preservatives, conditioning agents, emulsifiers, stabilizers, coloring agents, and flavoring agents.

The better approach is to evaluate the complete product rather than removing foods based on isolated ingredients (dog food ingredients to avoid).

The Most Important Thing: Look for “Complete and Balanced”

This is one of the most important lessons when shopping for dog food.

The FDA states that a nutritional adequacy statement containing “complete and balanced” indicates that the product is intended to provide a nutritionally complete diet when fed appropriately.

AAFCO explains that the nutritional adequacy statement is one of the most important parts of the label because it helps you determine whether the food is appropriate for your dog’s nutritional needs (ingredients to avoid in dog food).

For a puppy, make sure the food is appropriate for growth or the appropriate life stage specified by the manufacturer.

This is particularly important for Cavapoo puppies because puppies are still developing their bones, muscles, organs, and immune systems.

How to Compare Two Dog Foods

If you are standing in a store comparing two bags of dog food, use this simple process.

1. Check the Life Stage

Make sure the formula is appropriate for your dog’s age.

A growing puppy and an adult dog do not have identical nutritional requirements.

2. Find the Nutritional Adequacy Statement

Look for wording indicating that the food is complete and balanced for the appropriate life stage.

3. Read the First Several Ingredients

AAFCO requires ingredients to be listed in descending order by weight.

Look for recognizable primary ingredients and understand that the first ingredient alone does not determine whether the food is nutritionally superior.

4. Check the Calorie Information

Different foods can have substantially different calorie densities.

Feeding the correct amount matters because even a nutritionally complete food can contribute to excessive weight gain if a dog consistently receives more calories than needed.

5. Follow the Feeding Directions

AAFCO notes that feeding directions are guidelines and may need adjustment depending on an individual dog’s activity and body condition.

6. Consider Your Individual Dog

Your dog’s age, size, activity level, body condition, allergies, digestive tolerance, and health history all matter.

A food that works beautifully for one dog may not be the right choice for another.

What About Cavapoo Puppies?

Cavapoos are a Cavalier King Charles Spaniel and Poodle mix, and puppies need nutrition designed for growth rather than simply eating whatever adult dog food happens to be available.

When choosing food for a Cavapoo puppy, pay particular attention to:

• Appropriate puppy life-stage nutrition.
• Complete and balanced formulation.
• Feeding directions.
• Calorie density.
• Your puppy’s body condition.
• Digestive tolerance.
• Any food sensitivities identified by your veterinarian.

If you are preparing for a new Cavapoo puppy, you may also want to review our Cavapoo Breed Guide to understand more about the breed’s characteristics and care requirements (best dog food ingredients).

Should You Avoid Every “Bad” Ingredient?

No.

This is perhaps the biggest improvement we can make to the original advice surrounding dog-food ingredients.

There is no universal list where every ingredient is either “good” or “bad.” Nutrition is more complicated than that.

A complete dog food is formulated from numerous ingredients that work together to provide the required nutrients (how to read dog food labels). AAFCO notes that creating a nutritionally complete and balanced food is a complex process involving many nutrients and specific ratios.

Instead of obsessing over one ingredient, focus on the quality and purpose of the whole diet.

And if your dog has a medical condition, recurring digestive problems, suspected food allergies, or unusual reactions to food, speak with your veterinarian before making major dietary changes.

Final Thoughts

The best way to choose dog food is not to panic over every unfamiliar ingredient on the label.

Start with the fundamentals: choose a reputable food that is appropriate for your dog’s species and life stage, look for a complete-and-balanced nutritional adequacy statement, follow feeding directions, and monitor your dog’s body condition (healthy dog food).

For puppies, nutritional needs change rapidly as they grow. Your veterinarian can help you determine whether your puppy’s current food, portion size, and feeding schedule are appropriate.

A little label-reading knowledge can go a long way toward making better decisions for your dog’s long-term health.

Continue Learning About Cavapoos

If you’re raising or preparing for a Cavapoo puppy, continue with our Cavapoo Care Guide, Cavapoo Breed Guide, and Puppy Buying Checklist.

You can also learn more about our Available Cavapoo Puppies and the Adoption Process.

For additional authoritative information about pet-food labels and nutrition, the [FDA’s Complete and Balanced Pet Food guide](https://www.fda.gov/animal-veterinary/animal-health-literacy/complete-and-balanced-pet-food) and [AAFCO’s guide to reading pet-food labels](https://www.aafco.org/consumers/understanding-pet-food/reading-labels/) are useful resources.