Lantus SoloStar 100 IU/3ml 5'sLantus SoloStar (100 IU 3ml) is a long acting insulin glargine used to manage blood sugar in adults and children with diabetes. Sold as a pack of five pre filled disposable pens, it requires a valid prescription in Kenya. How It Works Medication: Insulin Glargine. Duration: It provides a steady release of insulin that lasts for up to 24 hours to help control blood glucose levels throughout the day and night. Administration: Injected once daily,