I buy this product for my senior dog as a preventative. This is a must supplement for most dogs. This is Dr. Mercola’s brand and are a bit expensive but worth it to keep your dog in good shape. Dogs are similar to people in that they often need some supplements to augment their meals. My holistic vet was impressed when I told her what supplements I give to my dog. She said I was doing everything right. I give her curcumin, mushroom, CBD hemp oil, digestive enzymes with pre and probiotics. She is 15 years old and has no health issues and annual blood work is excellent. Do your pet a favor!