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the glycemic
index
The glycemic index (GI) is a scale from 0 to 100 that ranks foods based on how quickly that food raises your
blood sugar. There are 3 categories: low GI, medium GI, and high GI.
e
d All carbohydrates that we eat will break down into sugar in our bodies, but they can affect our blood sugar
i levels in very different ways. We can use the glycemic index to help us manage our blood sugars.
ux
ge
ld | low GI foods | high GI foods
Low GI foods break down into
ain High GI foods break down very
sugar more slowly after we eat
vi quickly into sugar after we eat
them, so our blood sugar does
vc them, and they cause our blood
ri not spike up as high. sugar to spike very high.
u These foods are usually higher in These foods are usually very
sm fibre and are often more processed and are less nutritious
|e nutritious for us. for us.
c It is best to choose low GI foods It is best to avoid high GI foods as
sy as much as possible. much as possible.
el
tg | how it can help
e
Choosing low GI foods more often will help you:
bo
at keep your blood sugars under control, especially post meals
i reduce the stress put on your body to try to manage sudden
de spikes
d feel full after meals and keep your hunger levels in control
i improve your cholesterol levels
u
| what affects the GI?
g
cooking time: cooking breaks down the carbohydrates in food into smaller pieces, and if we cook
C foods for too long, our blood sugar can spike up very quickly.
fibre: foods with more fibre break down into sugar slowly and give us more energy for longer
M balanced meals: including protein and healthy fat can slow down the breakdown of carbohydrates in
L our bodies, and keep us feeling fuller for longer.
choose low GI foods as often as possible
what the bottom line don’t forget to consider the quality of the food itself –
even though it is low GI, is it still a healthy choice?
about portion control still matters with low GI foods
look for easy ways to add low GI foods to your diet:
alcohol? o choose whole fruit instead of juice
o make all of your grains whole grains
o get creative with bean & legume recipes
o swap out cereal for oatmeal in the morning
o enjoy plenty of vegetables with meals & snacks
2| guide | glycemic index
low GI medium GI high GI
choose more often (56-69) choose less often
(55 or less) (70 or more)
breads 100% whole grain bread whole wheat bread pita bread white bread waffles
sourdough bread chappati pumpernickel bagels pancakes
ed rye bread roti french bread
iu cereals All-Bran™ Oat Bran™ Bran Buds™ shredded wheat Bran Flakes™ Weetabix™
g Bran Buds with oatmeal (rolled oats or puffed wheat Rice Krispies™ Cheerios™
l psyllium™ steel-cut oats) muesli Raisin Bran™ Grapenuts™
a Corn Flakes™ instant oatmeal
vi Special K™ Cream of Wheat™
vr (instant)
u grains buckwheat barley long-grain white rice couscous millet
s parboiled or bulgur basmati rice rice noodles short-grain rice
| converted rice quinoa brown rice instant rice
s pasta egg noodles
et fruits apricot (fresh or berries banana raisins watermelon
e dried) apple kiwi figs (dried)
b peach dates (dried) cantaloupe cherries
ai mango pear papaya pineapple
d orange
other cassava kidney beans ripe plantains tapioca pretzels
starches green plantains navy beans sweet corn white or Russet soda crackers
yam split peas Ryvita™ rye crackers potatoes rice cakes or rice
popcorn lentils mashed potatoes crackers
sweet potato chickpeas French fries Melba toast
soybeans
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© LMC Diabetes & Endocrinology 2017
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