Humulin Vial 70/30 100IU is a premixed insulin used to help control blood sugar levels in people with type 1 and type 2 diabetes. It contains a combination of 70% intermediate-acting insulin (NPH) and 30% short-acting insulin (Regular), providing both immediate and long-lasting glucose control. Humulin 70/30 is commonly prescribed to improve daily insulin management and reduce blood sugar fluctuations when used as directed by a healthcare professional.