I also heard about it, but I'm not sure whether it is worth the money or not. I'm using Blue Buffalo Life Protection Dry Dog Food. However, I'm looking for some supplements for them, or another dog food with some added vitamins, because they've became lazier and less energetic lately. Also, I want to share with you my best discovery the
deer antler for dogs. It's a very nice thing for them because it doesn't broke and contains a huge amount of minerals and micronutrients. My dogs love them, and I certainly recommend them.