Answer
It contains insulin glargine but is more concentrated than 100 units/ml products and is not directly interchangeable with them.
Sources for this answer
- Toujeo 300 units/ml SoloStar, solution for injection in a pre-filled pen — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.