How Safe Are Dog and Cat Vitamin Supplements?

If your pet needs to take vitamins, or other6. It's much more difficult to evaluate the more
dietary supplements, how can you be sure theysubjective aspects of a particular product. In
are safe and effective?other words, we can't ask a dog if he feels more
It's the same question asked of humanenergetic than he used to, or if he thinks he's
supplements, and just because they are approvedsleeping better now.
by government agencies doesn't necessarily mean7. There have been no studies of sufficiently large
they are safe for a particular individual.numbers of animals to identify any patterns of
The same is true for pet products, but there arechange or improvement in any area, except
certain major differences when considering safetyperhaps for obvious changes, such as coat
factors.condition (shinier, smoother, less shedding) or
1. Probably the greatest concern arises from theobservable behaviors, such as irritability. Still, such
fact that pet supplements have not been testedchanges cannot be claimed as significant without
adequately. Very little data can be found in thislarger, controlled study groups to evaluate.
area.While there have been few, and inadequate,
2. Only three nutrients are mentioned in thestudies of pet supplementation by government
scientific papers at this time, namely, lutein, garlicagencies, such as the FDA (Food and Drug
and evening primrose oil, and then only in regardAdministration), there have been many studies
to dogs, cats and horses.conducted by independent researchers. However,
3. Studies to date have shown that certainthese have been criticized as biased or unscientific
supplements that are safe for humans are notby the scientific community, and many of the
always safe for animals. For example, garlic hassame concerns as listed above apply.
not been proven safe for all animals.What can you do to ensure your pet receives
4. So far, it has been difficult to study thesesupplements that are safe and effective? At this
products, because there are no systems in placetime, the burden falls to the pet owner to do the
to evaluate them. There needs to be a way tohomework. Consult with pet nutritionists, many of
quantify dosages, active ingredients, and what'swhom are veterinarians who have focused on
known as "adverse events," or, side effects.these concerns and have their own clinical studies
5. There is little to no regulation in the animalon which to base opinions.
dietary supplement manufacturing industry.