Cats are called obligate carnivores because they have evolved to rely on animal-based foods to meet their nutritional needs. Unlike dogs and humans, cats cannot produce enough of certain essential nutrients on their own. They must obtain nutrients such as taurine, arachidonic acid, preformed vitamin A, and vitamin B12 from their diet. They also have a much higher protein requirement than many other animals and use protein as their primary source of energy. This is why a nutritionally complete, meat-based diet is essential for their health. Although cats may occasionally nibble on grass or other plants, these foods do not provide the nutrients they need to thrive.
Why does this matter?
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Understanding that cats are obligate carnivores helps pet parents choose a diet that matches their natural biology. A diet that doesn't provide enough animal-derived nutrients can lead to serious health problems over time, including poor growth, muscle loss, vision problems, heart disease, reproductive issues, and weakened immunity.
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Cats are also less efficient at digesting large amounts of carbohydrates than omnivores. While properly formulated cat foods may contain some plant ingredients for nutritional or functional purposes, the diet should still be centred around high-quality animal protein.
What do vets generally agree on?
Veterinarians generally agree that cats should be fed a complete and balanced, meat-based diet that provides all the essential nutrients required by obligate carnivores. The focus should be on adequate animal protein and nutrients such as taurine and fish oil. Taurine is especially important for their heart, vision, immunity, digestion, and even their growth and development. That’s why BLEP fresh cat food is protein-first, and contains added taurine to ensure that there is no deficiency. It is also very close to a cat’s natural prey, because it is rich in moisture, and it doesn’t contain any preservatives, chemicals, or sugar.
When to be careful?
Cats should never be fed an unbalanced homemade or vegetarian/vegan diet unless it has been carefully formulated and supervised by a board-certified veterinary nutritionist. Even if a diet appears nutritious, deficiencies in taurine or other essential nutrients may not become obvious until serious health problems develop. If your cat shows signs such as poor growth, weight loss, muscle wasting, lethargy, vision changes, or heart problems, consult your veterinarian. These signs can have many causes, including nutritional deficiencies, and should be investigated promptly.
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