Iams Weight Control Biscuits are formulated to address the weight management needs of adult dogs. Made with essential vitamins and minerals, our biscuits are formulated using high-quality ingredients similar to those in our dry Weight Control formulas to ensure that you are doing the best thing for your canine friend. Iams Weight Control Formula Biscuits are made with chicken protein and have 14% less fat than Iams Original Formula Biscuits.