Eli Lilly is adding the following three products to its insulin ranges: Humalog Mix 50 Turbo prefilled pen, 5 x 3ml (net price, £28.16); Humalog Turbo prefilled pen, 5 x 3ml (net price, £28.16) and Humulin I Turbo prefilled pen, 5 x 3ml (net price, £22.68).