MSUD Maxamum Powdered Medical Food, Orange Flavor, 16 oz., 454g. 1385 calories per can.A valine-, leucine-, and isoleucine-free powdered formula for the dietary management of maple syrup urine disease (MSUD) for older children, teens and adults. Contains a balanced mix of the other essential and non-essential amino acids, carbohydrates, vitamins, minerals and trace elements.