Is homemade cat food healthy?

Entry

In an era of growing nutritional awareness, more and more cat owners are seeking alternatives to standard commercial food. The popularity of homemade cat food has increased significantly, especially after historical incidents involving toxic substances in imported food. Owners are guided by concerns about the quality of ingredients, the freshness of meals, and the individual needs of their pets.

However, a fundamental question arises: Does homemade cat food truly provide all the nutrients a cat, an obligate carnivore, needs? Scientific studies, such as the analysis by scientists from the University of California, Davis (UC Davis), published in the Journal of the American Veterinary Medical Association (JAVMA), are sounding the alarm, indicating that most homemade recipes are unbalanced and potentially dangerous.

What is meant by homemade cat food?

The term "homemade cat food" is often misinterpreted and wrongly equated with feeding your cat leftover human meals. However, the difference between a home-cooked diet and table food is huge.

Food from the table These are leftover human meals, which typically contain salt, spices, onions, garlic, sauces, highly processed foods, and significant amounts of carbohydrates. These ingredients not only don't meet a cat's nutritional needs but can be downright toxic. Regular feeding leads to digestive disorders, nutrient deficiencies or excesses, and increases the risk of overweight, obesity, and metabolic diseases. Such practices have nothing to do with a properly understood home-cooked diet.

Homemade diet (BARF or cooked) It's a feeding method based on composing meals from scratch, using carefully selected raw or heat-treated ingredients. Its goal is to closely replicate the natural nutritional profile of felines, while ensuring full coverage of all essential nutrients.

The basics of proper cat nutrition

High content of animal protein – the cat, as an obligate carnivore, is adapted to using amino acids as its main source of energy, it is necessary to provide an adequate amount of essential amino acids (e.g. taurine).

Moderate amounts of fat, which is an important source of energy and a carrier of fat-soluble vitamins,

Minimal amount of carbohydrates – cats do not have enzymes that enable their effective digestion and utilization,

Precisely balanced amount of vitamins and minerals, including key ingredients such as vitamin A, calcium and phosphorus, the deficiency or excess of which can lead to serious health consequences.

Unfortunately, homemade cat food recipes readily available online rarely meet these criteria. Most amateur recipes are unbalanced, do not meet cats' full nutritional needs, and are potentially dangerous. Therefore, if a pet owner decides to feed their cat homemade food, it must be prepared exclusively by a knowledgeable person. It's important to remember that a cat's nutritional needs are not static and must be dynamically adjusted to the animal's current condition. For example, pregnancy, lactation, or recovery from illness require a temporary increase in energy and key nutrients. Neutering, on the other hand, is associated with a reduced basal metabolism and increases the risk of obesity and urinary problems, requiring specialized low-calorie diets that support urinary tract health.

How to change your cat's diet to homemade food?

A sudden change in diet is a shock for a cat's body. The digestive system needs time to adapt and the gut microbiota to effectively digest the new ingredients. Therefore, this process must be gradual and requires patience and a well-thought-out strategy.

1.Consultation with a veterinary dietitian

A specialist will calculate your cat's calorie needs, select appropriate supplements (e.g., taurine, calcium), and create a balanced plan. Without this step, you risk serious health problems for your pet.

2.Schedule of changes

Introducing a new diet should take at least 7-14 days. Mixing foods helps prevent gastrointestinal upset, diarrhea, and vomiting. Cats are naturally cautious around new foods, so they need time to acclimate to the new situation.

Day 1-3: 75% old food, 25% new food.
- Day 4-6: 50% old food, 50% new food.
- Day 7-9: 25% old food, 75% new food.
- Day 10-14: 100% new cat food.

Pay attention to your cat's stools, appetite, and overall well-being. Each body reacts differently. The appearance of disturbing symptoms requires a return to the previous stage or a complete change in the diet. If your cat refuses to eat, try slightly warming the food (to the victim's body temperature, approximately 38°C), which will enhance its flavor and palatability. Patience and consistency are more important than rushing; the stress of eating can permanently discourage your cat from adopting the new diet.

In what cases is homemade cat food suitable?

A home-cooked or BARF diet for cats is often the best, and sometimes the only, option in situations where there is a specific therapeutic or diagnostic need, which is not met by available commercial foods. Preparing home-cooked meals becomes a medical tool, not just a caregiver's preference, providing the ability to precisely adjust macro- and micronutrients to support treatment and improve the animal's quality of life.

Food allergies and intolerances.

A homemade diet allows for the complete elimination of ingredients to which the cat is allergic (e.g. beef protein, poultry) or to which the cat is intolerant. If suspected food allergy, It may be necessary to feed a diet containing only one specific protein source, which can be difficult to achieve with commercial elimination diets. By preparing meals at home, the caregiver minimizes the risk of cross-contamination (e.g., with trace amounts of allergens).

The need for ingredient control

The caregiver gains full control over quality, freshness and origin Every element of the diet can be completely eliminated from the preservatives, artificial colors, and flavor enhancers found in commercial foods. Homemade diets (cooked/raw) naturally have a high water content, which is crucial for cats, who, by evolution, obtain most of their water from food. This significantly supports urinary tract function, reducing the risk of developing lower urinary tract disease (FLUTD).

Veterinarian recommendations

Home nutrition allows for the formulation individual therapeutic diet (not available as ready-made food) when dietary modification is necessary in the case of diseases (e.g., chronic renal failure, diabetes), which require specific proportions of ingredients (e.g., lowering phosphorus, controlling sodium levels). An individually formulated home-made diet allows for precise control of the content of individual ingredients, which is especially important in cases of several co-occurring conditions. Furthermore, dietary modification (e.g., supplementation with L-theanine or other substrates for neurotransmitter production) can support behavioral therapy.

Picky eaters and anorexia

In the case of picky eaters cats, For cats who refuse prepared foods (especially specialized veterinary foods), a homemade diet may be the only effective solution. Preparing a fresh, highly palatable meal tailored to the cat's individual preferences (texture, smell) is often necessary when appetite is lost due to chronic illnesses (e.g., chronic kidney disease, cancer). Ensuring adequate calorie and nutrient intake during these critical times can be crucial to the animal's prognosis and quality of life.

What should you pay attention to when preparing cat food?

Balancing your diet

Balancing the diet involves consciously composing meals so that all nutrients are provided in proportions consistent with the cat's current needs, based on the recommendations of authoritative organizations such as FEDIAF (European Pet Food Industry Federation) or NRC (National Research Council). It's crucial not only to provide adequate macronutrients (high protein, moderate fat, minimal carbohydrates), but above all, micronutrients. A cat requires a diet that mimics the whole prey it hunts, providing not only muscle meat but also bones, offal, fur, and cartilage.

The need for supplementation

Homemade cat food, based solely on meat, is incomplete and unbalanced. Supplementation is necessary because it lacks, for example, calcium, phosphorus, and key vitamins that are not present in sufficient quantities in muscle tissue. In homemade cat food, special attention should be paid to the amount of taurine, calcium and phosphorus, fat-soluble vitamins (A, D, E), and B vitamins. In addition to the need for precise ingredient balance, owners who decide to home-cook their cat food must avoid both nutritional errors, as well as administering products that are toxic or harmful to cats.

It is absolutely necessary to exclude it from the cat's diet.:

Chocolate and cocoa – contain theobromine, which is toxic to cats and can lead to serious cardiovascular and neurological problems.
Avocado contains persin, which may cause gastrointestinal problems.
Grapes and raisins may cause acute renal failure in cats.
Onion, garlic and chives contain thiosulfates, which damage red blood cells, leading to hemolytic anemia.
Alcohol and caffeine can be deadly, even in small amounts.
Xylitol In cats, it does not cause such rapid hypoglycemia as in dogs, but it is still considered potentially toxic and should be eliminated from the diet.

The following mistakes should be avoided when composing a home-cooked diet:

1. Excessive amounts of raw offal (especially liver)

Although offal is a valuable source of vitamins (A and D), their uncontrolled supply, especially liver, leads to dangerous hypervitaminosis A, causing painful bone deformities.

2. Monodiet based on muscle meat

A diet based solely on meat is unbalanced in terms of calcium and phosphorus. Such a diet, lacking taurine and key vitamins, leads to long-term deterioration and health problems.

3.Serving cooked bones

During the heat treatment process, bones change their structure, becoming hard and brittle. When bitten, they break into sharp fragments that can perforate the esophagus or intestines, as well as cause life-threatening constipation (known as coprostasis).

4.Feeding table scraps

Human food rich in salt, preservatives and spicy spices is highly harmful to cat kidneys.

5. Giving cow's milk

Contrary to popular belief, most adult cats suffer from lactose intolerance, resulting from a physiological decline in lactase activity—the enzyme necessary for digesting milk sugar. Consuming cow's, goat's, or sheep's milk leads to acute gastrointestinal disturbances (diarrhea, flatulence, colic) that can result in serious dehydration, while milk itself provides only unnecessary calories.

Vitamin supplementation in a cat's home diet

Homemade diet for cats requires supplementation, because meat alone, even high-quality meat, doesn't meet its specific nutritional needs. Balancing a cat's diet can be compared to reconstructing the missing pieces of a puzzle. Store-bought meat is a picture with key elements removed (e.g., blood, bones, thyroid). Supplementation isn't an "add-on," but rather a process of restoring the biological characteristics of these products to the complete prey a cat would hunt in the wild.

Unlike many other mammals, cats do not have the ability to synthesize taurine in sufficient quantities to meet the body's needs, therefore special attention should be paid to its supplementation. Correction is equally important calcium to phosphorus ratio (Ca:P). Meat is characterized by a high phosphorus content with a negligible calcium content. Long-term feeding of an unbalanced meal results in skeletal decalcification and secondary hyperparathyroidism. Therefore, calcium supplementation (e.g., feeding eggshell meal) is essential to maintain mineral homeostasis. Levels should also be monitored. fat-soluble vitamins (A, D, E), deficiencies of which are common in meat-based diets with a small proportion of internal organs (offal). The thermal processing process (cooking) causes degradation B vitamins (water-soluble), which requires their introduction into the diet, for example, by adding yeast. Meat from slaughtered animals (especially poultry and beef) contains an excess of pro-inflammatory Omega-6 fatty acids. To neutralize their effects and support kidney and heart function, as well as skin health, supplementation is necessary. Omega-3 acids (EPA and DHA), derived from wild fish oils (e.g. salmon or krill). Marine algae They are a very valuable and recommended supplement, especially in raw food diets (BARF). They are a natural source of easily absorbable iodine, crucial for proper thyroid function. Commercially available meat is usually bled, meaning it lacks a key component of natural prey – blood. To correct this, supplementation is used. beef or pork hemoglobin. It is an excellent source of easily absorbed heme iron and trace elements. Iron is essential for oxygen transport in the body, and its deficiency leads to anemia and weakened immunity. Iron is often supplemented with hemoglobin. salt, to replenish the sodium levels naturally found in blood plasma. There are a number of supplements that can be considered for preventative health care or to support specific health issues, including spirulina, glucosamine, chondroitin, and beta-glucan.

To effectively take care of your cat's health, it is worth using the Animalactin line of vitamin supplements: https://animalactin.shop/rodzaj/witaminy/

Natural joint support – ANIMALACTIN®

In the case of older cats (senior cats) and large breeds genetically predisposed to musculoskeletal disorders (e.g. Maine Coon, British Shorthair), the home diet itself may require supplementation with targeted veterinary preparations. A perfect complement to balanced meals is ANIMALACTIN® Joints for Cats.

Products from the ANIMALACTIN line® They provide concentrated chondroprotective ingredients essential for the reconstruction and protection of joint cartilage. Regular use of this product supports the animal's mobility, helps maintain joint flexibility, and alleviates the discomfort associated with degenerative processes that food alone cannot fully slow down.

Make sure your cat is comfortable while exercising! Learn how ANIMALACTIN® Ponds can keep your pet fit for many years.

What should homemade cat food consist of?

A home-cooked diet, whether served raw (BARF – Biologically Appropriate Raw Food) or cooked, is based on one foundation: mimicking nature. A cat is an obligate carnivore, meaning its metabolism is evolutionarily adapted to obtain nutrients almost exclusively from animal tissue. However, preparing a meal at home isn't just about throwing a piece of meat into a bowl. It's about precisely replicating the biological prey.

Protein (Muscle meat) – the basis of the diet, provides essential building amino acids and energy, e.g. fish, beef, lamb.

Fats – a source of energy, a carrier of fat-soluble vitamins (A, D, E, K), e.g. fish oil.

Offal – natural "multivitamins." A storehouse of minerals and vitamins soluble in water and fat, e.g., hearts, liver, stomachs, and kidneys.

Water – makes up the majority of a cat's body and is essential for almost all metabolic functions, including thermoregulation and renal filtration. Cats should consume 50-70ml/kg of body weight.

Taurine – a key amino acid that cats, unlike dogs and humans, do not synthesize in sufficient quantities. In a home-cooked diet (especially cooked and frozen), taurine supplementation is absolutely essential.

Calcium – Clean meat contains high levels of phosphorus and trace amounts of calcium. An imbalanced calcium-to-phosphorus ratio (the optimal calcium-to-phosphorus ratio is 1:1 to 2:1) can lead to bone decalcification and kidney damage (secondary hyperparathyroidism). Calcium is most often introduced in the form of eggshell meal or calcium citrate.

Hemoglobin – Store-bought meat is bled dry. To simulate a natural prey item, dried hemoglobin (beef or pork) should be added. This is a source of the most absorbable heme iron, which protects against anemia.

B vitamins – They are sensitive to temperature and storage. Their deficiencies manifest themselves as neurological and dermatological problems. In a home diet, they are supplemented with brewer's yeast.

Iodine – Iodine deficiency leads to hypothyroidism, and excess leads to hyperthyroidism. In nature, cats consume their prey's thyroid; at home, we replace it with a precisely measured dose of marine algae.

Omega-3 fatty acids (EPA and DHA) – essential for neutralizing the pro-inflammatory effects of omega-6 fatty acids, which are abundant in slaughtered animal meat. Sources include oils from wild salmonid fish or krill oil.

Vitamins A, D, E Vitamin A is found in large quantities in the liver. Vitamin D is present in trace amounts in meat, so it is supplemented with fish liver oil or fish meal, for example. Vitamin E is an antioxidant that protects cells from oxidative stress and free radicals.

Salt (sodium) – Meat is high in potassium but low in sodium. Sodium is essential to maintain electrolyte balance (the sodium-potassium pump). Himalayan or sea salt (non-iodized if using seaweed as an iodine source) can be used.

Fiber Although cats are carnivores and do not derive energy from carbohydrates, a small amount of fiber is essential for proper intestinal peristalsis and stool formation. Cooked pumpkin, carrots, or zucchini can be used.

Egg yolk – provides choline (supports brain and liver function), lecithin, biotin and vitamins A, D, E. Moreover, cats usually love its taste.

Recipes - homemade cat food

Creating a healthy, homemade recipe isn't a culinary art, but a mathematical one. The goal is balance, that is, selecting the proportions of ingredients so that the final product reflects the chemical composition of natural prey. To be safe, homemade cat food recipes must include appropriate supplementation, tailored to each animal. Never add supplements (especially taurine, fish oils, and vitamins) to a hot meal. High temperatures degrade these compounds.

Basic assumptions for creating recipes for a cat on a home diet:

Component	Participation in the diet	Function and Notes
Muscle meat	75 – 80%	E.g. turkey leg, beef, duck with skin.
Heart	10 – 15%
Liver	5%	Excess may cause hypervitaminosis A.
Vegetables	approx. 5%	E.g.: cooked carrots, pumpkin, zucchini
Supplements	As needed

The above assumptions are for guidance only. A cat's diet should always be individually tailored to its physiological condition, age, activity level, any medical conditions, and taste preferences.

In addition to daily nutrition, it's worth considering alternatives to treats, which often contain many unnecessary additives. Sample recipe for a healthy, homemade, mono-protein snack, which you can safely incorporate into your home diet. It's an excellent alternative to store-bought treats full of grains and preservatives. Dried meat retains most of its nutritional value, is bacteriologically safe (thanks to heat treatment), and its hard structure helps mechanically clean plaque from your cat's teeth.

Recipe for delicacies:

Ingredients:

300-500g of lean meat, chicken breast, turkey or lean beef (e.g. round loin) is best.

Preparation:

Wash the meat thoroughly and pat it dry with paper towels. Remove any membranes, veins, and visible fat.
Cut the meat into strips approximately 0.5 cm thick.
Arrange the strips on a baking sheet lined with baking paper. Make sure the pieces don't touch each other.
Preheat the oven to 50-70°C (convection oven is best). Place a baking sheet in the oven.
Dry for 4 to 6 hours. Time depends on the thickness of the strips and the oven. The meat is ready when it is completely dry, firm, and crumbly, and does not release water when pressed.
Leave to cool completely on a wire rack.

Advantages and disadvantages of a homemade diet for cats

Advantages

Full quality control – The caregiver selects human grade meat, eliminating low-quality by-products, fillers and preservatives.
Individuality – the ability to adapt the composition to specific conditions (e.g. limiting phosphorus in kidney diseases or eliminating allergens in an elimination diet).
High bioavailability – fresh, unprocessed ingredients are usually better absorbed by a cat’s digestive system than highly processed foods.
Support for oral health – in the case of raw meat cuts (BARF), mechanical chewing helps to naturally remove dental plaque
Irrigation – a home-cooked diet has a naturally high water content (approx. 70-80%), which is crucial for the prevention of urinary tract diseases.
Sensory stimulation – the variety of textures, smells and temperatures of home-cooked food is much more interesting for a cat than a mono-diet.

Disadvantages and threats

Balancing errors – research (including from the University of California, Davis) has shown that over 95% recipes from the internet are deficient in at least one key ingredient.
Microbiological threat – Raw meat (BARF diet) carries the risk of contamination with Salmonella, E. coli, and Listeria bacteria. These pose a threat not only to the animal but also to household members.
Time – preparing home-cooked meals requires a significant amount of time, appropriate knowledge and a large storage space (e.g. freezer).
Shortages – a home-made diet often does not provide enough nutrients, e.g. a lack of taurine leads to blindness and heart disease, and a lack of calcium leads to bone decalcification.
Dangers of excess microelements that lead to serious diseases, e.g. excess vitamin A can cause degeneration of the spine and joints.
Neophobia nutritional – the process of transitioning a cat addicted to commercial flavor enhancers is difficult, long and stressful for both parties.
Modifying the regulations – Many owners make their own ingredient substitutions, which can disrupt the diet's balance. Human dietitians emphasize the importance of product diversity, but this principle isn't always directly applicable to animal nutrition.

Ready-made or homemade food – which is better?

There is no single, universal answer to the question of which feeding model is objectively "better." The choice depends on the intersection of the cat's health needs and the logistical capabilities of the owner. Ultimately, the best diet is one that promotes the cat's health and is also sustainable for the owner over the long term.

Ready-made foods This solution is designed for those who prioritize time optimization and consistency of ingredients. By choosing a high-quality finished product, caregivers eliminate the risk of balancing errors, ensuring that each serving provides essential macro- and micronutrients (such as taurine and calcium) in concentrations consistent with nutritional standards.

Homemade Diet (cooked or raw) This is a solution for those who want to influence every gram of food that ends up in their bowl and are willing to invest the time. This model is ideal for the prevention and dietary treatment of chronic diseases, allowing for precise modification of the composition to suit the animal's unique metabolic needs. However, it's important to remember that this freedom of choice carries with it a great deal of responsibility. Preparing meals yourself without advanced dietary knowledge or the support of a zoo dietitian carries a high risk of deficiencies, which in the long term can be dangerous to the cat's health.

Summary

Homemade cat food It's a powerful tool in the hands of a conscious caregiver, allowing for the highest quality nutrition and effective support for chronic conditions. Without rigorous balancing and mandatory supplementation, it becomes a direct path to dangerous deficiencies. A cat's diet requires constant monitoring and adjustments based on changing age, activity level, and current health status. Therefore, although the health potential of a BARF or cooked diet is enormous, the final choice of feeding model should be based on a realistic assessment of one's own time and resources. For some, the key to a cat's health will be a carefully prepared mixture, for others, high-quality, safe commercial food. In both cases, the priority remains the animal's well-being and a diet tailored to its biological needs as an obligate carnivore.

Bibliography:

FEDIAF. Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs.
Dillitzer N., Dietetics of Dogs and Cats. A Guide for Veterinarians, Edra Urban & Partner, Wrocław 2014.
Prof. Dr. Eugeniusz R. Grela, Dr. Robert Krusiński, Nutritional Decalogue in the Breeding and Breeding of Dogs and Cats. Veterinary Magazine, 2024
University of California, Davis – Homemade cat food diets could be risky
Freeman LM et al. Evaluation of raw food diets for dogs. Journal of the American Veterinary Medical Association, 2001.

January 13, 2026

Dominika Czortek

veterinarian

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