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Onion (very small) Calories
Very small amount of onion, low calorie, contains vitamin C and antioxidants.
CALORIES
GI
POTASSIUM
FIBER
Onion (very 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 (very 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 (very small) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Onion (very 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 (very small) Contain Allergens?
No known major allergens
Which Diets Is Onion (very 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
✓ Suitable
Low FODMAP
— Not suitable
Onion (very small) Fat Profile
SATURATED
0.03g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.02g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Onion (very small)
Onion (very small) — Frequently Asked Questions
Is it better to eat onion raw or cooked?
Both can fit well in a diet; raw onion gives a sharper flavor, while cooked onion becomes milder and sweeter. Longer cooking can reduce some delicate compounds, but onion still adds flavor and some fibre to meals.
How can I stop onion from making my eyes sting?
Use a sharp knife, chill the onion briefly before cutting, and leave the root end until last. These steps can help reduce the irritating compounds released into the air.
How long does cut onion keep in the fridge?
Stored in a sealed container, cut onion is best used within 1-2 days. If it becomes slimy, very watery, or develops an off smell, discard it.
Can onion be frozen?
Yes, chopped onion freezes well for cooking. After thawing it will be softer, so it is better for soups, sauces, and sautés than for salads.
What foods go well with onion?
Onion pairs well with legumes, eggs, meat, fish, and yogurt-based dishes because it adds aroma and depth. It works especially well in salads, omelets, soups, stews, and stir-fries.
Is onion a good food before a workout?
A very small amount is usually fine, but raw onion can cause bloating, burping, or stomach discomfort in some people. If you want it before training, a small cooked portion is often easier to tolerate.
Is eating onion at night bad for you?
Not inherently. However, people with reflux, indigestion, or a sensitive stomach may find raw onion harder to tolerate late in the evening.
Does onion burn fat?
No single food directly burns fat on its own. Onion is useful because it adds flavor, volume, and some fibre to meals with very little fat.
Who should be careful with onion?
People with IBS, reflux, a sensitive stomach, or an onion allergy may notice symptoms after eating it. In those cases, smaller portions or cooked onion may be easier to handle depending on personal tolerance.
Does frying or sautéing onion destroy its nutrition?
Not completely. High heat and long cooking can reduce some beneficial compounds, but onion still contributes flavor and some fibre; cooking it gently without burning is a better approach.
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Nutrition data compiled from USDA FoodData Central and scientific sources.