At BuffK-9® Dog Supplements we specialize in 100% all natural GMO free Supplements for ALL dog breeds and ages 9 weeks and older. We know that our customers ask for something simple but hard to obtain; RESULTS. A Healthier dog with more muscle mass is the concept behind our product design. The way we see it, what’s the point of increasing muscle mass if it isn’t healthy and functional. FAST, FREE SHIPPING IN THE USA!