A mixed insulin, containing 30% R neutral and 70% NPH isophane crystal insulin. All ReliOn insulins are made by Novo Nordisk and are identical to those in their Novolin line. The difference between Novolin 70/30, Actraphane 30/70, Mixtard 30 is only the ReliOn name added to the label and the less expensive price; they all come from Novo. Other comparable insulins made by others are: Humulin 70/30 and Humulin M3.