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Compared with a greener banana, a very ripe banana usually has what glycemic index?

Higher. Riper fruit tends to raise blood sugar faster.

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  1. Lower
  2. The same
  3. Higher ✔

Why: Harvard lists ripeness as one thing that changes glycemic index: riper fruits and vegetables tend to be higher. Processing, grinding, fiber, fat and acid matter too.

Huh, didn't know that: Harvard says unripe bananas contain a type of fiber that may help normalize blood sugar.

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Why are bananas never lonely? They hang out in bunches.
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References

Answer: Higher. Harvard lists ripeness as one thing that changes glycemic index: riper fruits and vegetables tend to be higher. Processing, grinding, fiber, fat and acid matter too.

  1. Carbohydrates and Blood Sugar (Harvard T.H. Chan School of Public Health) nutritionsource.hsph.harvard.edu/carbohydrates/carbohydrates-and-blood-sugar
    Ripe fruits and vegetables tend to have a higher glycemic index than un-ripened fruit.
    Checked 2026-10-08.
  2. Carbohydrates and Blood Sugar (Harvard T.H. Chan School of Public Health) nutritionsource.hsph.harvard.edu/carbohydrates/carbohydrates-and-blood-sugar
    Meals with fat or acid are converted more slowly into sugar.
    Checked 2026-10-08.

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