Glycemic index & loadReviewed July 2026

Pumpkin Glycemic Index

Medium GI · The honest verdict

A moderate blood-sugar rise

Glycemic index

65–75

reported range

Glycemic load

6

Low GL

Low 05570100 High

This food's glycemic index is 65–75, which is Medium GI.

Pumpkin sits in a medium-to-high GI range but has a low glycemic load in typical half-cup servings due to its modest carbohydrate content. It is not a food to avoid, but portion size and preparation matter. This is general nutrition information, not medical advice — people with diabetes should confirm serving guidance with their care team.

Vegetable1/2 cup (122 g), cooked, cubedSee full nutrition

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.

What's actually inside

Per 100 g, with your typical serving noted as 1/2 cup (122 g), cooked, cubed. The carb family is what moves blood sugar — fiber is the number that softens the spike.

Total carbs
12g
Net carbs
10g
total carbs minus fiber
Fiber
2g
slows the glucose rise
Sugars
5.1g
Protein
1.8g
Calories
49kcal

Notable nutrients

  • Vitamin A (RAE)706 mcg
  • Vitamin C5.7 mg
  • Potassium282 mg
  • Copper0.1 mg
  • Manganese0.2 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

Manageable with portion control — a starchy winter squash

Pumpkin sits in a medium-to-high GI range but has a low glycemic load in typical half-cup servings due to its modest carbohydrate content. It is not a food to avoid, but portion size and preparation matter. This is general nutrition information, not medical advice — people with diabetes should confirm serving guidance with their care team.

Portion guidance

A half-cup serving (about 122 g, cooked) contains roughly 10 g of net carbs and a glycemic load of around 6, which is within the low GL range. Sticking to half to one cup per meal and pairing with a protein source keeps the overall glycemic impact moderate. Larger portions or pumpkin prepared with added sugar (e.g., pie) will raise GL meaningfully.

Typical serving: 1/2 cup (122 g), cooked, cubed

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.

Boiling or steaming cubed pieces

Lowers the spike

Boiling or steaming pumpkin cubes tends to produce a lower GI than roasting because cell structure is better preserved and less starch gelatinization occurs, slowing carbohydrate digestion.

Roasting or baking whole

Raises GI

Roasting pumpkin concentrates sugars and thoroughly gelatinizes starch, pushing GI toward the higher end of the range (70–75). Longer roasting times at higher temperatures increase this effect.

Pureeing or mashing

Raises GI

Pureeing pumpkin breaks down cell walls and increases surface area, making carbohydrates more accessible to digestive enzymes and raising the glycemic response compared to eating cubed pieces.

Adding sugar or sweeteners (e.g., pie filling)

Raises GI

Pumpkin pie or sweetened pumpkin puree adds fast-digesting sugars on top of the squash's own carbs, substantially raising the meal's glycemic impact and GL.

Pairing tip

Serve pumpkin alongside grilled chicken, turkey, or eggs to provide protein that slows gastric emptying. A side of leafy greens adds fiber without meaningful carbs. Avoid pairing pumpkin with other high-carb items like bread, rice, or potatoes in the same meal. Adding a tablespoon of olive oil or butter can further moderate the blood sugar response by slowing digestion.

Why GI numbers vary

Pumpkin GI data is limited and varies across sources. Some studies report GI values around 65 for boiled pumpkin, while others — particularly for roasted or pureed preparations — approach 75. The variation reflects real differences in cooking method, starch gelatinization, and the fact that pumpkin varieties differ chemically. We report the honest range (65–75) and classify pumpkin as medium because the midpoint and most common culinary preparation (cooked, cubed) lands in the medium-to-high zone.

Not medical advice. This page is general nutrition information about Pumpkin. 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

Eating well is easier when allergies aren't in the way

Curex helps people find and treat the allergies behind everyday symptoms with at-home testing and immunotherapy. If food or seasonal allergies make eating well harder than it should be, that's where we can help — no pressure, just here if you need it.

Curex focuses on allergies — not diabetes or blood-sugar care. For blood sugar, your primary care team is the right place to start.

Reviewed by

Curex Editorial TeamReviewed for accuracy

Last reviewed July 2026

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