Penmix 30 is Novo Nordisk's r-DNA/GE/GM human insulin mix consisting of 30% R/neutral insulin and 70% NPH/isophane insulin crystals. It is the same as Humulin 70/30. Novo calls the same mix Novolin 70/30 or ReliOn/Novolin 70/30 in North America, and Mixtard 30 or Actraphane 30/70 in the UK and EU. A comparable insulin made by Eli Lilly is Humulin M3; another by Novo is Actraphane 30/70 .