100% SATISFACTION GUARANTEE, GET RESULTS OR IT'S ON US - If you're looking for the best puppy vitamin formula on the market today, Puppy Naturals is your answer! We are confident that your growing puppy will benefit greatly in healthy and will love the taste, if not, we'll refund your money - no questions asked. We want you and your puppy to love it. So give us a shot, you have nothing to lose. FORMULATED FOR BULL BREEDS - Recommended for pitbulls, American Bullies, American Bulldogs, English Bulldogs, Exotic Bullies and all other bull breeds. The best #1 bully protein on the market. More effective than liquid. An excellent protein booster for your dog. Recommended for underweight, under developed, malnourished, small dogs. Safe to use with puppies, pregnant and senior dogs. A great protein booster to feed if your dog is lacking protein in their diet. NO FILLERS, MADE IN THE USA - Manufacturer follows FDA Guidelines, follows all Good Manufacturing Practices (GMP) and goes through rigorous testing from beginning to end to ensure it maintains the highest of quality. Contains ZERO inactive ingredients or useless fillers. Muscle Bully Protein only contains ACTIVE ingredients such as whey protein. Contains beef bone broth which is rich in nutrients and vitamins, dogs love the taste!. INCREASE STRENGTH, STAMINA AND POWER - Contains Creapure, the purest and finest quality micronized creatine available today which also helps support recovery, performance and improving strength and energy in your dog. Creapure is produced using Good Manufacturing Practice (GMPs) in an FDA-registered plant and rigorously tested to ensure it maintains its high quality. BUILD HARD, LEAN MUSCLE - Muscle Bully Protein is a daily muscle builder supplement with added vitamins and minerals for MUSCLE SUPPORT, GROWTH AND DEFINITION. Helps Increase SIZE and MASS on your dog. Additional optimal amino acid profiles to support a healthy dog. Safe, no side effects. Made in the USA. Results guaranteed. Fast results. In powder form and contains no INACTIVE ingredients. Easy to serve, simply sprinkle over food or kibble.