Pineapple Glycemic Index
Medium GI · The honest verdict
A moderate blood-sugar rise
Glycemic index
51–66
reported range
Glycemic load
10
Low GL
This food's glycemic index is 51–66, which is Medium GI.
Pineapple is a medium-GI fruit that can be part of a diabetes-friendly diet when portion size is controlled. A one-cup serving has a glycemic load of about 10, which is at the low end of the scale. It provides vitamin C and manganese. The natural sugars in pineapple will raise blood glucose, but the fiber and water content moderate the effect compared to fruit juice. This is general nutrition information, not medical advice — people with diabetes should confirm serving guidance with their care team.
GI numbers vary by source, ripeness, and how a food is prepared. This is general nutrition information — not medical advice. If you manage diabetes, confirm specifics with your care team.
Key facts
Pineapple GI ranges from 51 to 66 — medium on the glycemic index scale.
One cup of fresh pineapple provides 79 mg of vitamin C — about 88% of the daily value.
Glycemic load of 10 or below is classified as low — a one-cup serving of pineapple sits at the low end of this range.
What's actually inside
Per 100 g, with your typical serving noted as 1 cup (165 g), fresh, diced. The carb family is what moves blood sugar — fiber is the number that softens the spike.
Total carbs
21.6g
Net carbs
19.5g
total carbs minus fiber
Fiber
2.1g
slows the glucose rise
- Sugars
- 16.3g
- Protein
- 0.9g
- Calories
- 83kcal
Notable nutrients
- Vitamin C79 mg
- Manganese1.5 mg
- Copper0.2 mg
- Vitamin B60.2 mg
- Thiamin (B1)0.1 mg
Is it a smart choice for blood sugar?
GI is only half the story — portion (glycemic load) and what you eat it with decide the real-world effect. Here's the honest read.
The verdict
Fine in moderation — medium GI fruit with good nutrition
Pineapple is a medium-GI fruit that can be part of a diabetes-friendly diet when portion size is controlled. A one-cup serving has a glycemic load of about 10, which is at the low end of the scale. It provides vitamin C and manganese. The natural sugars in pineapple will raise blood glucose, but the fiber and water content moderate the effect compared to fruit juice. This is general nutrition information, not medical advice — people with diabetes should confirm serving guidance with their care team.
Portion guidance
A one-cup serving (about 165 g) of fresh pineapple is a reasonable portion, providing roughly 19.5 g net carbs and a glycemic load of 10. Stick to one cup or less per serving. Avoid dried pineapple (which concentrates sugar) and pineapple juice (which removes fiber and spikes GI). Pairing with a protein source like Greek yogurt or nuts helps slow sugar absorption.
This is general nutrition information, not personal medical advice. Blood sugar responses are individual — if you have diabetes or prediabetes, your care team can tell you how this fits your plan.
How to keep the spike small
The same food can land differently depending on how it's cooked and what it's eaten with. Use these levers to your advantage.
Ripeness
Raises GIRiper pineapple has higher sugar content and a higher GI. A very ripe, golden pineapple may have a GI near the upper end of the range (66), while a less ripe, still slightly green pineapple sits closer to 51. The difference is real and meaningful.
Drying (dehydrated pineapple)
Raises GIDried pineapple removes water and concentrates sugar, dramatically increasing the glycemic load per gram. A small handful of dried pineapple can have the same carbs as several cups of fresh fruit, making it much easier to overconsume sugar.
Juicing
Raises GIPineapple juice removes fiber, leaving mostly free sugars. The GI of unsweetened pineapple juice is higher than whole fruit (often in the 60s), and the glycemic load per cup is elevated because it takes several cups of fruit to make one cup of juice.
Grilling or roasting
Little effectGrilling pineapple caramelizes surface sugars but does not substantially change the overall GI. The fruit retains its fiber and water content, so the glycemic impact remains similar to fresh pineapple of equivalent ripeness.
Pairing tip
Pair pineapple with a source of protein (Greek yogurt, cottage cheese, or nuts) and a little fat to slow gastric emptying and blunt the blood sugar rise. Avoid pairing it with other high-GI fruits or sweetened foods in the same meal. A small bowl of pineapple chunks with plain yogurt is a balanced choice.
Why GI numbers vary
Pineapple GI data varies across published sources, with values ranging from 51 to 66. This variation reflects differences in fruit ripeness at testing, the specific variety tested, and whether the fruit was fresh or processed. The University of Sydney GI Database reports values around 59 for fresh pineapple, while other studies report lower or higher numbers. We report the honest range (51–66) and classify pineapple as medium because the midpoint and most common fresh fruit fall in that zone.
Not medical advice. This page is general nutrition information about Pineapple. It isn't a diagnosis or a treatment plan. If you have diabetes, prediabetes, or another condition affecting blood sugar, confirm any dietary decisions with your doctor or care team.
❓Frequently Asked Questions
Pineapple has a medium glycemic index, with reported values ranging from about 51 to 66 depending on ripeness and variety. Fresh, less ripe pineapple sits near the lower end; very ripe or juiced pineapple pushes higher. Because sources genuinely vary, we report a range rather than a single value. In practical terms, treat pineapple as a medium-GI fruit that is fine in sensible portions.
Pineapple can fit into a diabetes-friendly diet with portion control. A one-cup serving has a glycemic load of about 10, which is low. It provides vitamin C and manganese. However, it is a sweeter fruit with more sugar than berries or melon, so portion size matters. Avoid dried pineapple and juice. People with diabetes should discuss serving sizes with their care team — this is general nutrition information.
Pineapple has a higher GI than many fruits like apples (GI ~36), oranges (~43), or strawberries (~41), but is similar to or lower than watermelon (~72) or ripe mango (~60). Its glycemic load per serving is moderate. The key difference is that pineapple's sugar is more rapidly absorbed than lower-GI fruits, but the fiber content still provides a meaningful buffer compared to fruit juice.
Pineapple at about 19.5 g net carbs per cup is moderate for low-carb diets. On a moderate low-carb plan (50–100 g net carbs/day), a half-cup portion fits easily. On strict keto (under 20–30 g/day), even a half-cup uses a significant portion of the daily budget. Most keto followers limit pineapple to occasional small servings or use it as a garnish.
Canned pineapple packed in juice has a GI similar to fresh pineapple, though the syrup-packed version adds significant sugar, raising the glycemic load considerably. Canned pineapple packed in its own juice without added sugar is a reasonable alternative to fresh, but the texture change from processing may slightly affect GI. Always choose juice-packed or water-packed over syrup-packed.
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Reviewed by
Curex Editorial TeamReviewed for accuracy
Last reviewed July 2026