彩之网首页Insulin is a hormone made in your pancreas. It helps your body use glucose (sugar) for energy.
彩之网首页In type 1 diabetes your pancreas no longer makes insulin, so you have to inject it to control your blood glucose levels.
彩之网首页There are different types of insulin, taken at different times.
Insulin taken once or twice a day
彩之网首页This is called long-acting, background or basal insulin.
It gives your body the insulin it needs whether you eat or not.
Basal insulin should keep your blood glucose stable overnight and between meals.
Insulin taken with food or drink
彩之网首页This is called fast-acting, mealtime or bolus insulin.
彩之网首页It helps reduce the rise in blood glucose caused by eating or drinking.
You usually take it before a meal, snack or drink with carbohydrates in it.
Diabetes UK has more information on .
Page last reviewed: 14 May 2018
彩之网首页 Next review due: 14 May 2021