Freeze-Dried vs Dehydrated Dog Treats: What’s the Difference?
During my veterinary clinics, I’m often asked whether freeze-dried or dehydrated treats are better for dogs. On the surface, they can look very similar. Both are marketed as natural, shelf-stable alternatives to highly processed treats…
However, when you look more closely at freeze-dried vs dehydrated dog treats, there are important differences in: how they are made, how nutrients are preserved, and how suitable they are for dogs with sensitivities.
Which is why today, I want to share the key differences between freeze-dried vs dehydrated dog treats, what those differences mean for your dog’s health, and how to decide which option is right for your dog.
Quick Summary
- Freeze-dried and dehydrated dog treats may look similar, but the processing method affects nutrition, digestibility, and suitability for sensitive dogs.
- Freeze-dried treats use minimal heat, helping preserve nutrients and making them easier to digest.
- Dehydrated treats are slowly dried with low heat, creating a denser, chewier texture but potentially reducing some nutrients.
- Dogs with allergies or sensitive guts often tolerate freeze-dried treats better due to gentler processing.
- Regardless of method, choose treats with limited ingredients, quality proteins, and no artificial additives.

What Are Freeze-Dried Dog Treats?
Freeze-dried dog treats are made by freezing raw ingredients and then removing moisture through a process called sublimation. This allows water to be removed without exposing the food to high heat.
Because heat is minimal, freeze-drying preserves much of the original structure, flavour, and nutritional profile of the ingredient.
Freeze-dried treats are typically:
- Very low in moisture
- Lightweight and shelf-stable
- Highly palatable
- Close to their raw form
This process makes freeze-dried treats appealing, particularly for dogs that enjoy raw-style foods.
What Are Dehydrated Dog Treats?
Dehydrated dog treats are made by slowly removing moisture using low heat over an extended period of time.
While dehydration uses less heat than traditional baking, it still exposes ingredients to warmth for many hours. This can alter heat-sensitive nutrients, enzymes, and fats.
Dehydrated treats are typically:
- Denser and chewier than freeze-dried treats
- Shelf-stable
- More variable in texture
- Often cooked at low temperatures
Dehydration is a simpler process and is commonly used for jerky-style treats.

Freeze-Dried vs Dehydrated Dog Treats: Key Differences
When comparing freeze-dried vs dehydrated dog treats, the differences come down to processing, nutrient preservation, digestibility, and suitability for sensitive dogs.
Nutrient Preservation
Freeze-dried treats retain a higher proportion of natural nutrients because they are not exposed to sustained heat. Dehydrated treats may lose some heat-sensitive vitamins and enzymes during processing.
Digestibility
Freeze-dried treats tend to be easier to digest due to minimal processing. Dehydrated treats can be slightly harder on sensitive digestive systems, particularly if they are dense or chewy.
Texture and Palatability
Freeze-dried treats are usually light and crumbly, making them easy to break into small portions. Dehydrated treats are often tougher, which some dogs enjoy but others struggle with, especially senior dogs.
Suitability for Dogs With Allergies
For dogs with allergies or gut sensitivities, freeze-dried treats are often better tolerated due to simpler processing and fewer structural changes to proteins.
Dehydrated treats can still be suitable, but quality and ingredient sourcing become even more important.

Which Is Better for Dogs With Sensitive Guts or Allergies?
From a clinical perspective, freeze-dried treats are often the safer option for dogs with allergies, inflammatory conditions, or digestive sensitivity.
Minimally processed proteins are less likely to provoke immune reactions, particularly when combined with limited ingredient formulations.
That said, not all freeze-dried treats are created equal. Ingredient quality, sourcing, and protein selection still matter.
What to Look For Regardless of Processing Method
Whether you choose freeze-dried or dehydrated treats, there are several principles I recommend following.
Limited Ingredients
Short ingredient lists reduce the risk of reactions and make it easier to manage sensitivities.
Single or Novel Proteins
Dogs that have eaten the same proteins for years can develop sensitivities over time. Rotating away from heavily used proteins like chicken or beef and choosing less common options can reduce immune load.
Proteins such as goat, kangaroo, or fish are often easier for sensitive dogs to tolerate because the immune system is less likely to recognise them as a trigger.
No Artificial Additives
Artificial colours, flavours, and preservatives place unnecessary strain on the immune system and should be avoided.
Functional Purpose
Treats should support health, not just act as empty rewards. Functional treats that align with gut and immune health are always preferable.

Where Do 5 Hounds Treats Fit?
At 5 Hounds, our Longevity Treats are designed with these principles in mind. We focus on carefully selected wild harvested proteins, gentle minimal processing, and functional ingredients that support gut health and inflammation control.
Our goal is not to follow trends, but to create treats that fit into a broader, health-focused approach to feeding.
Final Thoughts from Dr. Will

When comparing freeze-dried vs dehydrated dog treats, there is no one-size-fits-all answer. The best choice depends on your dog’s digestion, allergy history, and overall health.
For many dogs, particularly those with sensitivities, freeze-dried treats offer advantages in nutrient preservation and digestibility. However, quality always matters more than the label on the packet.
Choose treats with intention. When treats align with your dog’s biology and gut health, they can support wellbeing rather than compromise it.
FAQs
1. What is the difference between freeze-dried and dehydrated dog treats?
Freeze-dried treats are made by freezing ingredients and removing moisture without heat, while dehydrated treats use low heat over many hours to dry ingredients. The processing method affects nutrients, texture, and digestibility.
2. Are freeze-dried dog treats healthier than dehydrated treats?
In many cases, yes. Freeze-dried treats often retain more natural nutrients because they are not exposed to sustained heat. However, ingredient quality matters more than the method alone.
3. Which is better for dogs with sensitive stomachs?
Freeze-dried treats are often better for sensitive dogs because they are minimally processed and tend to be easier to digest. Dehydrated treats can still work, but some dogs may find them heavier or harder to tolerate.
4. Are freeze-dried treats better for dogs with allergies?
Often, yes. Freeze-dried treats usually involve less protein alteration from heat, which may reduce the chance of triggering immune reactions. Single-protein, limited ingredient options are best for allergy-prone dogs.
5. Do freeze-dried and dehydrated treats have the same shelf life?
Both are shelf-stable because moisture is removed, which slows bacterial growth. Freeze-dried treats are typically lighter and drier, while dehydrated treats can vary depending on the process and thickness.
6. What should I look for when choosing freeze-dried or dehydrated treats?
Look for limited ingredient lists, single or novel proteins, no artificial additives, and reputable sourcing. The simplest, cleanest treats are usually the best option for gut and immune health.