Living with Diabetes

Snack Guidelines for People on Insulin

Snack guidelines:

Your blood sugar reading before exercise will tell you whether or not you need to have a snack before you start exercising. The guideline below gives you a starting point for how many grams of carbohydrates will be required based on your blood sugar level.
The below guideline is mainly applicable for people that are taking insulin that are counting carbohydrates however it can be used as a general guide for all people with Diabetes that are at risk of a hypoglycaemic episode due to treatment/condition.
 

 

Type of exercise

Blood sugar level of less than 6mmol/l (108 mg/dl) before exercise

Blood sugar level of 6-10 mmol/l (108-180 mg/dl) before exercise

Blood sugar level of  10-15  mmol/l (180-270 mg/dl) before exercise

Short duration (15-30   mins) of low-moderate intensity such as walking

 

25g of carbohydrate

 

0g of carbohydrate

0g of carbohydrate

Short duration high intensity such as running

 

25g of carbohydrate

 

0g of carbohydrate

0g of carbohydrate

Moderate duration (45 - 60 mins) moderate intensity such as cycling, swimming

25g-50g of carbohydrate

0 -25g of carbohydrate

0g of carbohydrate

Long duration (60-75 mins) moderate intensity such as   football, jogging

50g of carbohydrate

25g – 50g of carbohydrate

 

25g of carbohydrate