Onion
Onions are a fundamental ingredient in cuisines worldwide, prized for their pungent aroma and versatile flavor. They can be enjoyed raw, adding a sharp bite to salads and sandwiches, or cooked to bring out a sweeter, milder taste in soups, stews, and countless other dishes.
Shared meals of this food: 6 · Data updated 2026-10-20
Photos from real users
Nutrition range from shared meals
Per serving
Calories40 kcal20–40 kcal
Carbs9 g4.5–9 g
Protein1 g1–1 g
Fat0 g0–0.1 g
Median · 25–75% range · Valid samples 6
Per 100g
Calories40 kcal40–40 kcal
Carbs9 g9–9 g
Converted for comparison.
Estimated post-meal glucose (AI)
155mg/dL125–155
AI estimates from shared meals, calculated from a 100 mg/dL baseline. Not measured values.
Measured glucose
Shared meals with a measured record: 0
Individual values are only visible to contributors in the app.
Shared meals of this food
Answered with real data
- How many calories is a serving of Onion?
- Across 6 shared meals the median is 40 kcal, with a 25–75% range of 20–40 kcal.
- How many carbs does Onion have?
- The median is 9 g, with a 25–75% range of 4.5–9 g.
- How much does Onion raise post-meal glucose?
- Across 6 shared meals the median AI estimate is 155 mg/dL, with a 25–75% range of 125–155 mg/dL.
- How many calories is Onion eaten with Asparagus, Steak?
- Across 3 shared meals containing Onion the median was 810 kcal. Those meals also included Asparagus, Steak.
