Can cats have vitamin C? - briefly
Yes, cats can have vitamin C. However, it is important to note that unlike humans and many other animals, cats produce their own vitamin C naturally and do not require supplementation unless prescribed by a veterinarian for specific health reasons.
Can cats have vitamin C? - in detail
Vitamin C, also known as ascorbic acid, is an essential nutrient for humans and many other animals. However, when it comes to cats, the situation is quite different. Cats are unique in that they can synthesize their own vitamin C within their liver, unlike humans who must obtain this vital nutrient through diet or supplements. This capability is attributed to an enzyme called L-gulonolactone oxidase, which is present in cats but absent in humans and most other mammals.
The ability of cats to produce vitamin C internally means that they do not require additional vitamin C from external sources such as food or supplements. In fact, providing a cat with excessive amounts of vitamin C can lead to serious health issues. High doses of vitamin C can cause the formation of calcium oxalate crystals in the urine, which can lead to kidney stones and other urinary tract problems. This is particularly concerning because cats are already prone to developing urinary tract diseases, such as feline lower urinary tract disease (FLUTD).
Moreover, excessive vitamin C intake can also interfere with the cat's ability to absorb copper, another essential nutrient. Copper deficiency in cats can result in a variety of health problems, including anemia and bone fractures. Therefore, it is crucial for cat owners to be aware of the potential risks associated with giving their cats vitamin C supplements or foods high in vitamin C.
In summary, while vitamin C is vital for human health, cats do not need additional vitamin C from external sources due to their ability to synthesize it internally. Providing a cat with excessive amounts of vitamin C can lead to serious health complications such as kidney stones and copper deficiency. Cat owners should consult with a veterinarian before making any changes to their pet's diet or introducing new supplements.