Yes. The dosage of Dr. Jones' Ultimate Canine Health Formula is based on the size of your dog. Here are the recommended dosages:
Dog less than 10 pounds: 1/2 scoop per day
Dogs 10 - 50 pounds: 1 scoop per day
Dogs 50 - 100 pounds: 1.5 scoops per day
Dogs bigger than 100 pounds: 2 scoops per day