Human Mixtard 70/30 Suspension for Injection 100IU/ml is a combination of two medicines, an intermediate-acting and a short-acting type of insulin. It is used in the treatment of diabetes mellitus (type 1 and 2) to improve blood sugar control both in adults and children. It helps maintain the blood sugar levels in diabetic patients. Human Mixtard 70/30 Suspension for Injection 100IU/ml is normally prescribed along with other diabetes medicines. Your doctor or nurse will teach you the correct way of injecting it under the skin. It should be taken 15 minutes before a meal or within 20 minutes after starting a meal. Don’t stop taking it unless your doctor tells you to.