Contains more than double the amounts of Vitamin A and D3, and three times the amount of Iron than other brands.;More Vitamin C, E and Manganese than other brands;Contains important nutrients like Choline Chloride and Cobalt that others don't;Excellent for dogs, cats, rodents, birds, reptiles, exotic pets, monkeys and many other small animals.;Can easily be sprinkled or mixed with food, and comes in three convenient sizes.