Insulin syringe sizes CONFUSING patients (and providers)? Here’s exactly when to use 0.3 mL, 0.5 mL, and 1 mL syringes. And even the U500 syringe which actually will be going away soon 😳 As a pharmacist, this is one of the easiest ways to prevent dosing errors and improve safety. * This video is for educational purposes only and is not a substitute for medical advice. Always talk to your doctor or pharmacist about your personal health needs. #pharmacist #pharmacytips #insulin #diabeteseducation