Home  >  Diabetes Services  >  Exercise Snack Guidelines

Exercise Snack Guidelines:

Ask your health care team what is right for you:
 

Types of Exercise:

If Your Blood Glucose Level Is:
(
Added Snack)

Short:
(Less Than 20 Minutes)

Walking less than one mile or cycling at a slow pace

  • Less than 100 mg/dl or above:

    30-40 g of carbohydrate source before exercise, then 10-15 g per hour of exercise
     
  • 100 mg/dl or above:

    Do not take an extra snack

Medium:
(20-60 Minutes)

Tennis, swimming, jogging, cycling, vacuuming

  • Less than 100 mg/dl

    30-45 g of carbohydrate source before exercise, then 10-15 g per hour of exercise
     
  • 100-200 mg/dl

    Do not take an extra snack
     
  • 200-300 mg/dl

    Do not begin exercise until blood glucose is under better control
     
  • 300 mg/dl or greater

    15 g of carbohydrate source per hour of exercise

Hard:
(60 Minutes or More)

  • Less than 100 mg/dl

    45-50 g of carbohydrate source to start- check blood glucose carefully during
     
  • 100-200 mg/dl

    30-45 g of carbohydrate source to start*
     
  • 200-300 mg/dl

    15-45 g of carbohydrate per hour of exercise depending on blood glucose and exercise intensity*


*After 45 minutes to one hour, you may need another snack. Check your blood glucose.