Food Groups
Ready & Packaged Foods12 ›Vegetables & Legumes12 ›Desserts & Confectionery8 ›Meat & Protein10 ›Grains & Bakery6 ›Beverages6 ›Milk & Dairy4 ›Natural & Other Foods14 ›Categories
Category
Canned & Jarred ProductsBrowse every food in this category.
Canned & Jarred ProductsSee all products →Category
Packaged Breakfast ProductsBrowse every food in this category.
Packaged Breakfast ProductsSee all products →Category
Other Packaged FoodsBrowse every food in this category.
Other Packaged FoodsSee all products →Category
Radishes & BrassicasBrowse every food in this category.
Radishes & BrassicasSee all products →Category
Ice Cream & Frozen DessertsBrowse every food in this category.
Ice Cream & Frozen DessertsSee all products →Category
Puddings & Cream DessertsBrowse every food in this category.
Puddings & Cream DessertsSee all products →Category
Plant Protein & TofuBrowse every food in this category.
Plant Protein & TofuSee all products →Category
Protein Products & PowdersBrowse every food in this category.
Protein Products & PowdersSee all products →Category
Other High-Protein FoodsBrowse every food in this category.
Other High-Protein FoodsSee all products →Category
Bread & Grain BakeryBrowse every food in this category.
Bread & Grain BakerySee all products →Category
Oats & Breakfast CerealsBrowse every food in this category.
Oats & Breakfast CerealsSee all products →Category
Wheat, Flour & BulgurBrowse every food in this category.
Wheat, Flour & BulgurSee all products →Category
Fruit & Vegetable JuicesBrowse every food in this category.
Fruit & Vegetable JuicesSee all products →Category
Water & Mineral WaterBrowse every food in this category.
Water & Mineral WaterSee all products →Category
Energy, Sports, Smoothie & OtherBrowse every food in this category.
Energy, Sports, Smoothie & OtherSee all products →Category
Yoghurt, Kefir & AyranBrowse every food in this category.
Yoghurt, Kefir & AyranSee all products →Category
Butter, Cream & OtherBrowse every food in this category.
Butter, Cream & OtherSee all products →Category
Other / Processed SeafoodBrowse every food in this category.
Other / Processed SeafoodSee all products →Category
Other / Dried FruitsBrowse every food in this category.
Other / Dried FruitsSee all products →Category
Herbs & Spice BlendsBrowse every food in this category.
Herbs & Spice BlendsSee all products →
🧅
Small half onion Calories
Small half onion, low calorie, source of fiber and vitamin C.
CALORIES
GI
POTASSIUM
FIBER
Small half onion Nutrition Facts
Selected: 100 g
40
KCAL / 100G
Carbs
9.3g
· 88%
Protein
1.1g
· 10%
Fat
0.1g
· 2%
Fiber
1.7g
Small half onion Vitamins & Minerals
Vitamins
Vitamin C
7.4mg · 8% DV
B6
0.12mg · 7% DV
Folate
19µg · 5% DV
B1
0.05mg · 4% DV
Minerals
Phosphorus
29mg · 4% DV
Potassium ⭐
146mg · 4% DV
Calcium
23mg · 2% DV
Magnesium
9mg · 2% DV
Small half onion Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Small half onion Processed?
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Small half onion Contain Allergens?
No known major allergens
Which Diets Is Small half onion Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Small half onion Fat Profile
SATURATED
0.03g
MONOUNSATURATED
0.02g
POLYUNSATURATED
0.02g
Foods Similar to Small half onion
Small half onion — Frequently Asked Questions
Is a small half onion easier to tolerate raw or cooked?
Cooked onion is usually milder and easier on digestion for many people. Raw onion has a sharper taste and can be more irritating for sensitive stomachs.
How long does a cut small half onion keep in the fridge?
Stored in an airtight container, it is best used within 1-2 days. Keeping it sealed helps limit odor and drying out.
Can a small half onion be frozen?
Yes, you can freeze it chopped. After thawing it becomes softer, so it works best in soups, sauces, and sautés rather than fresh salads.
How can I reduce eye irritation when cutting onion?
Use a sharp knife and chill the onion briefly before cutting. Leaving the root end until last can also help reduce the compounds released into the air.
What foods pair well with a small half onion?
It works well with eggs, salads, soups, beans, lentils, and sautéed vegetables. Even a small amount can add depth and savory flavor to a dish.
Does frying or sautéing onion destroy its nutrition?
No, it does not destroy everything. Longer, higher-heat cooking can reduce some delicate compounds, but onion still contributes flavor and some nutrients after cooking.
Is onion a good choice before a workout?
That depends on your digestion. A small cooked portion may be fine, but raw onion can cause bloating or burping in some people before exercise.
Is it bad to eat onion at night?
Not inherently. However, raw onion may worsen reflux or stomach discomfort in people who are prone to it.
Can onion replace antibiotics when you are sick?
No. Onion is a nutritious vegetable, but it is not a substitute for medical treatment when an infection is present.
Who should be careful with onion?
People with IBS, reflux, or a sensitive stomach may react poorly to raw onion. Smaller portions or cooked onion are often better tolerated.
Have another question about Small half onion?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.