Individually I do think The difficulty is definitely the Guar Gum binder. Guar Gum can work as a laxative (CITATION) and I believe the amount they use is too much for some cats because there are no carbs/starch to counteract the laxative influence. The second ingredient is rooster coronary heart. https://daltonfaskc.hazeronwiki.com/7928452/an_unbiased_view_of_pet_store_abu_dhabi