Per the site you recommended, disclaimer/excerpt:
Veterinary Advice
The product recommendations, pet health care advice, and other information provided on the Site (Site Content) are not to be construed as veterinary advice and are not meant to be a substitute for a consultation with a certified veterinarian. The Site Content is provided “as is” to assist you in the selection of appropriate products for your pets, but should not be relied upon to make important health care decisions for your pets. If your pet is ill, you should take it to a certified veterinarian for an examination and diagnosis.
http://www.onlynaturalpet.com/help/termsofuse.aspx
