Walmart sells an inexpensive OTC insulin type ($25 a vial). https://diabetesstrong.com/walmart-insulin/ https://diabetesstrong.com/walmart-insulin/ It's an ol

Walmart sells an inexpensive OTC insulin type ($25 a vial). https://diabetesstrong.com/walmart-insulin/ https://diabetesstrong.com/walmart-insulin/ It's an older formulation, and not commonly prescribed, unless you're cost sensitive.