Mixtard contains both fast-acting (soluble) and long-acting (isophane) insulin: • Mixtard 10: soluble insulin 10% and isophane insulin 90%, • Mixtard 20: soluble insulin 20% and isophane insulin 80%, • Mixtard 30: soluble insulin 30% and isophane insulin 70%, • Mixtard 40: soluble insulin 40% and isophane insulin 60%, • Mixtard 50: soluble insulin 50% and isophane insulin 50%.