Dried Whey
Last updated: January 25, 2026
Table of Contents
Quick Summary
Dried Whey Byproduct of cheese production, containing milk proteins (primarily whey protein), lactose, vitamins, and minerals in dried form.
What It Is
Byproduct of cheese production, containing milk proteins (primarily whey protein), lactose, vitamins, and minerals in dried form.
Compare to Similar Ingredients
- vs. colostrum: Dried whey is a cheese byproduct used as a protein source and binder, while colostrum is first milk with immune-supporting antibodies. Colostrum is more functional.
Why It's Used in Dog Products
Manufacturers include dried whey in dog food, treats, and supplements for several reasons:
- Source of easily digestible milk protein
- Rich in branched-chain amino acids
- Adds palatability and flavor
- Provides calcium and B vitamins
- Binding agent in treats and kibble
Quality Considerations
When evaluating dried whey in dog products, it's important to understand protein density, amino acid profile, digestibility, and sourcing quality. This ingredient's quality and appropriateness can vary significantly based on sourcing, processing, and the specific formula it's used in.
Quality protein source with good amino acid profile, but many dogs are lactose intolerant and may experience digestive upset. Contains less protein per weight than whey protein concentrate or isolate. Primarily used for flavor and binding rather than as primary protein source.
Potential Concerns
While dried whey can be appropriate in dog nutrition, pet owners should be aware of allergies, protein digestibility, and quality variations between named and generic sources. Individual dogs may respond differently to the same ingredient based on their health status, age, and sensitivities.
Decent supplementary protein with good palatability, but watch for lactose intolerance in sensitive dogs. Best in small amounts. If your dog tolerates dairy, it's a beneficial ingredient. Not suitable as a primary protein source.
Frequently Asked Questions
Is dried whey safe for dogs?
Yes, dried whey is safe for dogs when used appropriately in properly formulated dog food. As with any ingredient, individual dogs may have sensitivities, so monitor for any adverse reactions when first introducing products containing this ingredient.
What does dried whey do in dog food?
Byproduct of cheese production, containing milk proteins (primarily whey protein), lactose, vitamins, and minerals in dried form. Dog food manufacturers include this ingredient to provide source of easily digestible milk protein and provide rich in branched-chain amino acids.
Can dried whey cause allergies in dogs?
Any protein source can potentially trigger allergies in sensitive dogs. Signs of food allergies include itchy skin, ear infections, digestive issues, and excessive paw licking. If your dog shows these symptoms, consult your veterinarian about an elimination diet to identify the trigger ingredient.
How much dried whey should be in dog food?
Quality dog foods typically list primary protein sources like dried whey within the first 3-5 ingredients. The exact percentage varies by formula, but protein-focused foods generally contain 25-35% total protein for adults, and 28-40% for puppies or performance dogs. Check the guaranteed analysis rather than relying solely on ingredient order.
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