I’ve never heard of Dr Tim’s, but it took me a year to get my dog to lose a pound on Wellness Core Reduced Fat. Once they gain it’s very hard to get it off. I’m now going with Merrick Grain Free Salmon and Sweet Potato. The calories, carbs and fat look lower or about the same as Wellness and there’s no chicken.
What ^^^ said. If they all gained weight, I think you’re overfeeding. Which Dr Tim’s are you using?
I had luck usinf Wellness Core reduced fat but if I needed a weight loss product now, I’d use Annamaet Lean.