Hi Rambo and Fancy –
The problem is the minimum protein level allowed by the AAFCO for adult maintenance is 18%, so you’re probably not going to find anything lower than 18% (dry matter) unless you go with a prescription food. If your dog can handle 18% protein some options would be Addiction’s dehydrated line (they have a couple formulas that are 18% protein), Solid Gold Holistique Blendz, Flint River Ranch Senior Plus, Verus Weight Management (this formula actually has 17% stated, would be 18% dry matter), First Mate Trim and Light and First Mate Pacific Ocean Fish Senior/Weight Management.
Here are some links with information about homemade low protein diets for dogs with liver disease if home-cooking is something you’d be interested in:
www(.)dog-health-guide(.)org/canineliverdiseasediet(.)html
www(.)canine-epilepsy-guardian-angels(.)com/liver_diet(.)htm
(you’ll have to remove the parenthesis around the periods, for some reason whenever I post a link the forum puts my post in the spam folder so I have to disguise the links lol)
