Freeze-Dried Raw: The Truth About The Latest Convenience Food for Dogs

RFFDMSUK
Dec 7, 2024
4 min read

Updated: Feb 21

Freeze‑Dried Pet Food: Understanding the Trend With Clarity and Confidence

Acknowledgment: A heartfelt thank‑you to Caroline Griffith for her guidance and insight in shaping this article.

Freeze‑dried dog food has become one of the most talked‑about options in modern pet nutrition. Many brands present it as a convenient way to feed “raw without the freezer,” and for busy dog owners, the appeal is obvious. But freeze‑dried food is not simply raw food in a different format—it has its own characteristics, limitations, and considerations.

This article explores what freeze‑dried food actually is, how it’s made, and what dog owners should understand before choosing it.

What Exactly Is Freeze‑Dried Raw?

Freeze‑dried food begins as frozen raw ingredients. These are placed in a vacuum chamber where moisture is removed through sublimation—water goes from ice to vapour without becoming liquid. The structure of the food remains largely intact, but the moisture content drops dramatically.

📽️ Watch: Freeze-Drying Process Explained

This process creates a lightweight, shelf‑stable product that can be rehydrated before feeding.

Potential Advantages of Freeze‑Dried Food

Freeze‑dried diets are popular for several practical reasons:

• Nutrient Preservation

The freeze‑drying process helps retain many nutrients naturally present in raw ingredients. However, because moisture removal and processing can still affect nutrient balance, manufacturers typically add synthetic vitamins and minerals to meet nutritional requirements. One common limitation is the lack of naturally absorbable calcium, which is why additives are required.

• Convenience

No freezer space, no thawing, and no handling of fresh raw meat. Freeze‑dried food is easy to store, transport, and portion—useful for travel or situations where raw feeding isn’t practical.

• Palatability

Many dogs enjoy the aroma and texture of freeze‑dried foods, which can help when transitioning fussy eaters.

• Limited‑Ingredient Options

Some freeze‑dried products use short ingredient lists, which may support owners managing dietary sensitivities.

Points to Consider Before Choosing Freeze‑Dried

Freeze‑dried food isn’t without its drawbacks, and understanding these helps owners make informed decisions.

• Cost

Freeze‑drying is an expensive manufacturing process. As a result, these products often sit at the premium end of the market.

• Hydration Matters

Because freeze‑dried food contains very little moisture, rehydration is essential. Adding water helps, but it does not replicate the structured moisture naturally present in fresh meat. Structured moisture plays a role in digestion and nutrient utilisation, whereas added water primarily irrigates the food.

• Brand Variability

Ingredient quality and sourcing differ widely between manufacturers. As with any pet food, choosing a reputable brand is important.

Freeze‑Dried vs. Raw: A Practical Comparison

Aspect	Raw Food	Freeze‑Dried Food
Moisture	Naturally high	Almost entirely removed; requires rehydration
Safety Controls	DEFRA‑approved manufacturers follow strict testing	Lower moisture reduces bacterial activity; correct storage is important
Shelf Life	Requires refrigeration or freezing	Long shelf life at room temperature
Convenience	Requires handling and preparation	Ready to use, no refrigeration
Nutritional Profile	Naturally varied; depends on ingredients	Some nutrient loss; synthetic additives included
Cost	Can be cost‑effective with deals	Generally higher due to processing
Variety	Highly customisable	More limited, especially for sensitive dogs

Raw feeding allows owners to tailor ingredients and rotate proteins. Freeze‑dried foods are pre‑formulated, which offers consistency but less flexibility.

Is Freeze‑Dried a True Replacement for Raw?

Freeze‑dried food can be a helpful option when raw feeding isn’t feasible—during travel, emergencies, or for owners who prefer a low‑prep approach. However, it isn’t a direct substitute for a varied raw diet. The reliance on synthetic additives, reduced moisture, and limited ingredient variety mean it functions best as a convenient alternative rather than a long‑term replacement for fresh raw feeding.

If you’re exploring raw options, you can compare suppliers and deals using the Raw Food Supplier Map

Examples of Additives in Freeze‑Dried Foods

To meet nutritional guidelines, freeze‑dried products include added vitamins and minerals. Here are examples from well‑known brands:

COYA Additives (per kg)

Vitamin A 2500IU, Vitamin D3 250IU, Vitamin E 50mgZinc (chelate of protein hydrolysates) 15mgIron (II) sulphate monohydrate 10mgManganous sulphate monohydrate 2.5mgCopper (II) sulphate pentahydrate 1.5mgCalcium iodate (iodine source) 0.1mgSelenised yeast (inactivated) 0.02mgTechnological additive: Tocopherol extracts 150mgSensory additive: Rosemary oil extract 4mg

Natures Variety Additives (per kg)

Vitamin A 1000IU, Vitamin D 100IU, Vitamin E 14mgIron sulphate monohydrate 20mgCalcium iodate anhydrous 0.4mgCopper sulphate pentahydrate 7.2mg

Ella & Co Additives (per kg)

Vitamin A 1,000IU, Vitamin D 100IU, Vitamin E 14mg, Zinc sulphate monohydrate 50.1mg (Zn 18.3mg), Ferrous sulphate monohydrate 20mg (Fe 6mg), Copper (II) sulphate pentahydrate 7.2mg (Cu 1.8mg), Calcium iodate anhydrous 0.4mg (I 0.26mg), Selenised yeast (inactivated) 8.6mg (Se 0.02mg)

💡 Note: Calcium iodate provides iodine, not calcium. Current labelling rules do not require manufacturers to specify the exact form of calcium used.