Green–Yellow–Red: A Simple Guide to the Glycemic Index of Local Fruits

Not all fruits raise blood sugar in the same way. A simple Green–Yellow–Red guide can help you choose fruits that match your energy needs, without cutting out the foods you enjoy.
Green (Low GI): Guava, Jambu, Papaya
Their natural fibre matrix slows digestion, allowing glucose to enter the bloodstream more gradually.
Yellow (Medium GI): Mango, Pineapple, Banana
As fruit ripens, cell walls soften, which can lead to faster carbohydrate absorption.
Red (High GI): Durian, Rambutan, Watermelon
Durian’s unique fructose structure and relatively lower fibre content allow quicker breakdown, leading to a sharper glucose rise for some individuals.
This framework isn’t about “good” or “bad” fruits. It’s about understanding how texture, ripeness, and fibre content influence the speed of energy release.
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