Lantus SoloSTAR is an Insulin Glargine Injection (rDNA origin) supplied in a 3 mL pre-filled disposable pen. Each pen contains a solution for subcutaneous injection at 100 U/mL; this listing includes one box of five pens. Non-medicinal ingredients include glycerol 85%, m-cresol, zinc, and water for injection; hydrochloric acid and sodium hydroxide are used for pH adjustment (polysorbate 20 present in 10 mL vial only). DIN 02294338. Route of administration: subcutaneous.