Vetri-Lean Plus is an advanced weight loss support supplement that is a synergistic combination of ingredients that have been clinically tested to promote weight loss in overweight dogs. Great Chicken Liver Flavor that dogs love the taste of!. Vetri-Lean Plus contains the clinically and scientifically proven carb blocker Phase 2 Pet to safely and naturally promote weight loss by cutting starch absorption up to 75%. In a soon to be published Veterinary conducted canine trial 15 dogs showed an average weight loss of almost 5% of their body weight over an eight week period and an average abdominal girth reduction of 1.44 inches per dog due solely to use of Phase 2 Pet starch blocker. By blocking starch carbohydrates as a source of energy, the dogs were forced to burn body fat for energy. The weight loss seen in this study was attributed to loss of fat and not loss of muscle.