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Onion (extra small) Calories
Very low calorie, source of fiber, contains vitamin C and antioxidants
CALORIES
GI
POTASSIUM
FIBER
Onion (extra small) Nutrition Facts
Selected: 100 g
40
KCAL / 100G
Carbs
9.3g
· 88%
Protein
1.1g
· 10%
Fat
0.1g
· 2%
Fiber
1.7g
Onion (extra small) 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
10mg · 2% DV
Onion (extra small) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Onion (extra small) 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 Onion (extra small) Contain Allergens?
No known major allergens
Which Diets Is Onion (extra small) 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
Onion (extra small) Fat Profile
SATURATED
0.02g
MONOUNSATURATED
0.02g
POLYUNSATURATED
0.03g
Foods Similar to Onion (extra small)
Onion (extra small) — Frequently Asked Questions
How can I reduce eye irritation when cutting onion?
Chilling the onion briefly and using a sharp knife can reduce the release of irritating compounds. Leaving the root end until last may also help.
Are extra small onions different from larger onions in taste or use?
Smaller onions often have a more concentrated flavor and cook faster. That makes them handy for roasting, sautéing, and dishes where you want quick, even cooking.
Does cooking onion destroy its nutritional value?
No, cooking does not make it worthless, but heat can reduce some delicate plant compounds. Gentle or shorter cooking usually preserves texture and flavor better than prolonged high heat.
Is raw onion harder on digestion than cooked onion?
For many people, raw onion is more pungent and may be more likely to cause bloating, reflux, or stomach discomfort. Cooked onion is often easier to tolerate.
How long does cut onion keep in the fridge?
Cut onion should be stored in a sealed container in the refrigerator and used fairly soon. It should not be left at room temperature for long because quality and food safety can worsen.
Can onion be frozen?
Yes, chopped onion freezes well for cooked dishes. After thawing it becomes softer, so it is better for soups, sauces, and stir-fries than for fresh salads.
What foods pair well with onion?
Onion works well with olive oil, tomatoes, peppers, legumes, eggs, poultry, and meat. It adds depth of flavor and can make simple meals taste more rounded.
Is onion a good food before a workout?
That depends on your tolerance; onion contains carbohydrates but is not a typical pre-workout staple on its own. If raw onion gives you gas or stomach discomfort, avoid it close to training.
Can onion replace antibiotics when you are sick?
No, onion is a nutritious vegetable, but it is not a substitute for prescribed antibiotics. Suspected bacterial infections should be assessed by a healthcare professional.
Who should be careful with onion?
People with IBS, reflux, or sensitivity to raw onion may notice more symptoms after eating it. In those cases, smaller portions or cooked onion may be easier to manage.
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Nutrition data compiled from USDA FoodData Central and scientific sources.