Organ Meats for Dogs and Cats: Small Portions, Powerful Nutrition

Posted on 6 August 2026
By Dr. Jill Tack, Board Certified Naturopathic Doctor
Posted in cat nutrition, dog nutrition, Fresh Feeding, Liver for Cats, Liver for Dogs, Organ Meats, pet nutrition, Raw Feeding Ingredients, Rawgust
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A practical explanation of what organ meats provide, why portions matter, and how to include them without unbalancing a pet’s diet.

The word “organs” may not make every human hungry, but liver, heart, kidney, spleen, and other animal tissues can provide valuable nutrients in a thoughtfully formulated pet diet.

The important word is thoughtfully.

More is not always better. Organ meats are nutrient-dense, which means relatively small amounts can make a meaningful contribution. It also means randomly adding large servings can unbalance an otherwise complete diet.

Let’s take the mystery out of these nutritional little powerhouses.

What are Organ Meats?

Organ meats are animal tissues such as liver, kidney, spleen, pancreas, lung, and heart. Different organs provide different combinations of protein, amino acids, vitamins, minerals, and other nutrients.

In raw feeding, people often use the terms “secreting organs” and “muscular organs”:

Liver and kidney are commonly categorized as secreting organs
Heart is anatomically an organ but nutritionally behaves more like muscle meat
Each organ has a different nutritional profile
They are not automatically interchangeable
The overall recipe must remain complete and balanced

Organ-meat benefits

Organ meats may contribute:

High-quality animal protein
Iron
Copper
Zinc
B vitamins
Vitamin A
Naturally occurring amino acids and other nutrients

The precise amounts vary by animal species, organ, source, and recipe.

Organ meats can be valuable parts of a balanced dog or cat diet, but they should be provided in appropriate proportions through a complete formula or a professionally formulated recipe, not added freely by guesswork.

Why organ meats are important

In nature, carnivorous and scavenging animals do not consume only boneless muscle meat. Different tissues contribute different nutrients.

Muscle meat is valuable, but it does not independently provide everything required for long-term nutrition. Organs help broaden the nutrient profile of the meal.

For example:

Liver is known for vitamin A, copper, and B vitamins
Kidney can provide selenium, iron, and B vitamins
Heart supplies protein and naturally occurring taurine, although amounts vary
Spleen can be rich in iron
Other organs may contribute additional trace nutrients

This variety is one reason well-formulated foods use ingredients in intentional proportions.

Why more is not better

Because organ meats are concentrated sources of nutrients, excessive amounts can create digestive upset or push certain nutrients too high.

Large, sudden servings may also lead to:

Loose stool
Refusal due to unfamiliar texture
An unbalanced calcium-to-phosphorus relationship in a homemade diet
Excessive intake of certain vitamins or minerals
Displacement of the complete food your pet needs

This is not a reason to fear organ meats. It is a reason to respect their nutritional strength.

Complete Food vs. Supplemental Products

Always check the label!

A product containing organs may be:

A complete and balanced meal
A complementary topper
A treat
A single-ingredient chew
An ingredient intended for recipe formulation

These products serve different purposes.

A freeze-dried liver treat, for example, is not automatically a complete meal. A commercial raw formula containing liver may be complete and balanced when fed according to its directions.

Introducing organ meats

When adding a supplemental organ product:

Confirm that it is appropriate for your pet
Start with a small amount
Introduce one new item at a time
Observe stool, appetite, and comfort
Keep treats and toppers within an appropriate share of the diet
Stop and seek guidance if your pet reacts poorly

Pets with certain medical conditions may need tighter control over copper, phosphorus, protein, fat, or other nutrients. Ask your veterinarian before making significant additions.

What pet parents ask

Is liver good for pets?
Liver can provide important nutrients, but the right amount matters. It is best included within a balanced formula or used as a controlled treat.

Can I feed organs from the grocery store?
Grocery-store organs do not create a complete diet by themselves. Raw handling precautions also apply. Homemade feeding should follow a professionally formulated recipe.

FAQ

Are organ treats healthy?
They can be nutrient-dense, high-value treats. They should still be counted as extras and fed in moderation.

Can I use organ meat as a daily topper?
Possibly, but the type and amount matter. Confirm whether the product is complete, complementary, or intended only for intermittent feeding.

Is liver the only organ my pet needs?
No single organ provides every nutrient required by dogs or cats. Balance comes from the entire diet.

Are organs suitable for puppies and kittens?
Growing pets can eat complete and balanced foods that include organs. Avoid improvising additions that could alter the nutritional balance required for development.

Don't be afraid of organ meats!

Organ meats are not magical cures, and they are not ingredients to avoid. They are useful components that work best as part of a properly balanced plan.

Stop by The Pet Beastro in Madison Heights or Warren and ask our team to show you complete raw meals, organ-based treats, and toppers. We will help you understand what each product is designed to do before it lands in the bowl.