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Antioxidants are good for your cat because they play a key role in minimizing damage to cells, including cells of the immune system.
These important, naturally occurring nutrients help maintain health by slowing the destructive oxidative process of cellular molecules. They also can be important in supporting immune responses and vaccine recognition in cats. This may be especially critical for kittens that are being vaccinated while their immune system is still developing.
Additionally, antioxidants can reverse decreases in immune-cell function for senior cats, increasing them back to healthy adult levels.
Antioxidants are nutrients found naturally in the body and in plants such as fruits and vegetables. Common antioxidants include vitamin C, vitamin E and certain compounds called carotenoids (including lutein and beta-carotene). A blend of several antioxidants in moderate amounts may be more effective than high levels of one antioxidant.
As cells function normally in the body, they produce damaged molecules called free radicals. These free radicals are highly unstable and steal components from other cellular molecules, such as fat, protein or DNA, thereby spreading the damage.
This damage continues in a chain reaction, and entire cells soon become damaged and die in a process called peroxidation. Peroxidation is useful because it helps the body destroy cells that have outlived their usefulness and kills germs and parasites. However, when left unchecked, peroxidation also destroys or damages healthy cells.
Antioxidants help prevent widespread cellular destruction by willingly donating components to stabilize free radicals. More importantly, antioxidants return to the surface of the cell to stabilize rather than damage other cellular components.
When there are not enough antioxidants to hold peroxidation in check, free radicals begin damaging healthy cells, which can lead to problems. For example, free radical damage to immune cells can lead to an increased risk of infection.
Because antioxidants play a key role in minimizing damage to cells, such as those that make up the immune system, recent research examined the benefits of certain antioxidants on the immune response of cats. The results of these studies indicated that antioxidants are important in helping cats maintain a healthy immune system.
The research also showed that each antioxidant benefits the immune system uniquely, so one antioxidant at high levels is not as effective as a group of antioxidants acting together.
Antioxidant | Source | Function |
Vitamin E | Plant oil extract, tocopherols | Optimizes immune system’s T-cell activation |
Beta-carotene | Vitamin premix, corn meal, chicken by-product meal and chicken fat | Optimizes types of cells present in the blood, increases antibody levels in the blood and optimizes vaccine recognition |
Recent research also examined the effect of aging on immune responses. The findings indicate that as cats age, immune cell responses may decline. Including antioxidants in your cat’s diet can help reverse the age-related decrease in immune cell function, returning it to healthy adult levels.
Are you considering feeding a raw diet to your kitten? Before you do, make sure you have the right information. Get the facts about 10 common myths associated with raw meat diets.
FACT: No scientific studies have shown benefits of feeding raw diets to kittens or cats. Their appeal is based on word of mouth, testimonials and perceived benefits.
FACT: Lynxes and other animals in the wild, like wolves, do eat raw meat (in addition to berries, plants, etc.). However, the average lifespan for an animal in the wild is only a few years. Therefore, what is nutritionally “optimal” for a wild animal like a lynx is not optimal for our pets that we hope will live longer and healthier lives.
FACT: Cats, especially kittens, senior cats or immunosuppressed animals, can become infected with Salmonella, Clostridium, Campylobacter and other bacteria found in raw meat diets, just as people can.
FACT: Even meats purchased at the best stores for people can contain harmful bacteria, so purchasing “human-grade” meat does not protect against the health risks of uncooked meats. (Ask yourself: Would you eat raw ground meat?) It is also important to keep in mind that the term “human grade” has no legal definition for pet food.
FACT: Most of the bacteria found in raw meat diets can easily survive freezing and freeze-drying.
FACT: Bones, whether raw or cooked, can fracture your kitten’s teeth. They also can block or tear the esophagus, stomach or intestine.
FACT: All the enzymes dogs and cats (and people) need for digestion are already in the gastrointestinal tract. Additional enzymes from food are not required for digestion.
FACT: Corn, oats, rice, barley and other grains are healthy ingredients that contain protein, vitamins and minerals; they are not added as fillers and are unlikely to cause allergies. Although meat is an important component of diets for kittens and cats, grains can be part of a high-quality, nutritionally balanced diet.
FACT: By-products are the animal parts people don’t typically eat, such as livers, kidneys or lungs — in other words, the organs and meats other than animal muscle. Note that some pet foods may actually list these ingredients (e.g., duck liver, beef lung), but these are really just by-products. Most commercial and many home-prepared raw diets also contain by-products.
FACT: Most homemade (and even some commercial) raw meat diets are extremely deficient in calcium and a variety of other nutrients, even if chicken necks, bones or eggshells are added. This can be disastrous for any animal but especially for young, growing kittens, and can result in fractured bones. For complete and balanced nutrition, feed your cat a high-quality kitten food like IAMS™ Proactive Health™ Mother and Kitten.
