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Dietary Supplements to Consider for Older Cats

Nutrition Nuggets is the newest offshoot of petMD's Cat Nutrition Center. Each week Dr. Coates will use her expertise and wisdom to blog about the intricacies of cat nutrition.

Dietary Supplements to Consider for Older Cats

October 12, 2012 / (1) comments

The studies looked at 90 cats between the ages of 7 and 17 that were fed a nutritionally complete diet for the rest of their lives. Individuals in group one received no supplements. Cats in group two received additional vitamin E and beta-carotene (a type of vitamin A), and cats in group three received vitamin E, beta-carotene, omega 3 and 6 fatty acids, and a prebiotic (a non-digestible ingredient that supports the growth of “good” gastrointestinal microorganisms, in this case chicory root).

After 7.5 years, the researchers evaluated a lot of data and found the following:

  • Cats in group three lived almost a year longer than those in group one.
  • Cats in group three maintained their body weight and had better lean body masses than did cats in group one.
  • Other laboratory parameters associated with health (e.g., hematocrit and blood glucose levels) were better in group three cats than those in group one.
  • Findings for group two fell in between groups one and three and were generally not statistically different enough to allow conclusions to be made.

These papers provide solid evidence that support the inclusion of extra vitamin E, beta-carotene, omega 3 and 6 fatty acids, and a prebiotic in the diets of middle aged to older cats. Realistically, I wonder how many cats would stand for the addition of all these supplements to their current diets. I think a more practical solution is to look for a high-quality senior cat food that has been formulated with this information in mind after these findings were published in 2006. Items to look for on a cat food’s ingredient list include vitamin E, vitamin A, carrots (a natural source of beta-carotene), flax seed or fish oil (to supply omega 3 fatty acids), animal-based sources of protein like eggs and chicken for omega 6 fatty acids, and a prebiotic like chicory root or beet pulp. Using the MyBowl tool is a simple way to compare diets if you think making a change could benefit your cat.

Sources:

Cupp C, Jean-Philippe C, Kerr W, et al. Effect of nutritional interventions on longevity of senior cats. Int J Appl Res Vet Med. 2006;4:34

Cupp CJ, Kerr W, Jean-Philippe C, et al. The role of nutritional interventions in the longevity and maintenance of long-term health in ageing cats. Int J Appl Res Vet Med. 2008;6:69–81

Dr. Jennifer Coates

Image: Serious cat and eggs by John Blower / via Flickr

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Comments  1

Leave Comment
  • Supplements
    10/12/2012 07:32am

    As my herd ages, I've wondered if dietary changes should be made while they're still healthy.

    I'd be curious to know more specifics about the cats in group 3 (age, unrelated health problems, etc). I'll Google the studies tonight.

    Thanks for the information!

 


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