NuVet Labs was recommended by the breeder we got our dog from, and I've been using them ever since. NuVet is an excellent company; they have fast shipping, reasonable pricing, and their product works well. Every employee I have ever spoken with has been friendly, helpful, and very product-knowledgeable. It's been four and a half years since I started using them, and my rhodesian ridgeback is now just over a hundred pounds, and as healthy as a horse! Would absolutely recommend to others!