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What’s Really in Your Pet’s Bowl? A Closer Look at Kibble, Canned, Freeze-Dried, and Fresh Diets
Wondering what’s best for your pet—kibble, canned, freeze-dried, or fresh food? Learn how each is made, how nutrients are affected, and how to make a more informed choice.
When I worked in the veterinary field, one of the most common questions I heard was:
“What should I be feeding my pet?”
As a licensed veterinary technician, client education was one of your top roles.
It’s a simple question… but the answer is anything but simple.
Because behind every bag, can, or fresh meal is a completely different process—and that process matters more than most people realize.
Today, we’re taking a closer look at four of the most common types of pet food: kibble, canned, freeze-dried, and fresh/home-prepared diets—so you can better understand what’s truly going into your pet’s bowl.
Dry Kibble (Extruded Diets)
Kibble is the most widely used pet food—and for good reason. It’s convenient, affordable, and shelf-stable.
How it’s made: Ingredients are ground, mixed into a dough, and cooked under high heat and pressure through a process called extrusion. The pieces are then dried and often sprayed with fats or flavor coatings.
What to know: High heat can degrade certain heat-sensitive nutrients, such as vitamins and enzymes. Because of this, nutrients are typically added back after processing to meet nutritional standards.
Kibble is carefully formulated to be complete and balanced, but it is also one of the most highly processed options available.
Canned (Wet Food)
Canned diets offer a very different texture—and a higher moisture content.
How it’s made: Ingredients are mixed, sealed in a can, and cooked at high temperatures through a process called retort sterilization.
What to know: While still heat-processed, canned food tends to retain more moisture, which can be especially beneficial for cats and pets that don’t drink enough water.
It’s often more palatable, but like kibble, it still undergoes significant heat during preparation.
Freeze-Dried & Dehydrated Diets
These diets aim to preserve more of the original ingredients.
How they’re made: Food is either freeze-dried or gently dehydrated to remove moisture while using minimal heat compared to traditional processing.
What to know: Because lower temperatures are used, more of the food’s natural structure and some nutrients may be preserved.
However:
Not all products are complete and balanced
Proper handling is important
They can be more expensive
Fresh, Home-Cooked & Delivered Meals
This category is growing quickly—and for good reason.
Home-Cooked Diets
What they offer:
Full control over ingredients
Minimal processing
A more natural approach to feeding
Important consideration: Without proper formulation, home-cooked diets can become nutritionally unbalanced over time. Working with a veterinary professional or nutritionist is recommended. So the veterinarian can recommend the best supplement to give to ensure proper nutrient intake. Please consult a veterinarian or a licensed veterinary technician about foods your animal cannot have, such as garlic, onions, grapes, raw eggs, and chocolate. There are some of the many that are dangerous and deadly because of what they do to the organs and blood of the pet.
Fresh Delivery Meals
These are commercially prepared, gently cooked meals delivered to your door. Some are veterinary nutritionists formulated or approved by board-certified doctors. If you choose this route, make sure board-certified veterinary nutritionists are involved.
What they offer:
Balanced formulations (in many cases)
Lower processing compared to kibble
Convenience without doing all the prep yourself
How Heat Impacts Nutrients
Heat plays a significant role in how pet food is made.
Higher temperatures can reduce the levels of certain nutrients—especially vitamins, minerals, and enzymes. That’s why many processed diets are fortified after cooking.
This doesn’t make processed foods “bad.”But it does mean they are often nutritionally engineered rather than naturally intact.
Natural vs. Added Nutrients
Whole foods contain nutrients in complex forms—alongside enzymes, cofactors, and natural companions that help the body recognize and utilize them.
Added (synthetic) nutrients are isolated and included to ensure diets meet established nutritional requirements.
Both can support health.
But they are not identical in how they exist—or how the body interacts with them.
So… What Should You Feed?
There isn’t one perfect answer.
The best diet for your pet depends on:
Their individual health needs
Your lifestyle
What you can consistently provide
What matters most is making a thoughtful, informed decision—not just a convenient one.
A Gentle Reminder
You don’t have to overhaul everything overnight.
Sometimes, awareness is the first step.
Understanding how your pet’s food is made…is the beginning of feeding with intention.
If this topic resonates with you, I’ll be continuing this nutrition series—one step at a time—to help you feel more confident in the choices you make for your pet.
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