Can I make insulin substitutions to control my blood sugar?
With your doctor's authorization you should be able to switch from 75/25 to 70/30. You may need an adjustment in the amount of units taken as the action profile is different (when your new insulin peaks - or is working at its strongest). This is important to know as your risk for lows with the 70/30 is slightly later (2 to 4 hours after injection) than the risk for lows with the 75/25 (30 to 90 minutes after injection). In addition, working with a diabetes educator can help you fine tune your program within your insurance plan limitations.