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Low GI

Boiled red onion Calories

Low-calorie vegetable with antioxidants

CALORIES

44kcal

GI

10low

POTASSIUM

157mg

FIBER

1.4g

Boiled red onion Nutrition Facts

Selected: 100 g

44

KCAL / 100G

Carbs

10.2g

· 85%

Protein

1.4g

· 12%

Fat

0.2g

· 3%

Fiber

1.4g

Boiled red onion Vitamins & Minerals

Vitamins

B6

0.12mg · 7% DV

Vitamin C

4.8mg · 5% DV

B1

0.04mg · 3% DV

B5

0.13mg · 3% DV

Minerals

Potassium

157mg · 5% DV

Phosphorus

29mg · 4% DV

Calcium

22mg · 2% DV

Magnesium

10mg · 2% DV

Boiled red onion Glycemic Index

GLYCEMIC INDEX

10
Low
0 Low5570100

GLYCEMIC LOAD

1
Low

Accounts for portion size — a more realistic measure than GI alone.

Is Boiled red onion Processed?

NOVA 2

Minimally Processed

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 Boiled red onion Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Boiled red 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

Boiled red onion Fat Profile

SATURATED

0.03g

MONOUNSATURATED

0.02g

POLYUNSATURATED

0.08g

⚖️

Omega 6:3 ratio 7:1

Above the ideal 4:1 (7:1).

Foods Similar to Boiled red onion

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Tomato

18 kcal

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Mixed Green Salad

18 kcal

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Red Pepper

31 kcal

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Boiled Beetroot

44 kcal

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Green pepper

20 kcal

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Potato Salad

110 kcal

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Arugula

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Oven-Roasted Mixed Vegetables

65 kcal

Boiled red onion — Frequently Asked Questions

Why does boiled red onion taste milder than raw red onion?

Boiling softens some of the sulfur compounds that give onion its sharp bite. The result is a sweeter, gentler flavor and a less pungent smell.

How can I use boiled red onion in salads without it falling apart?

Boil it only briefly so it softens without turning mushy. Draining and cooling it quickly also helps it hold its shape better.

Does boiling greatly reduce the nutritional value of red onion?

Its protein, carbs, and fiber do not disappear, but some water-soluble vitamins can leach into the cooking water. Shorter cooking and reusing the liquid in soups or sauces can help limit losses.

How long does boiled red onion keep in the fridge?

Once cooled and stored in a sealed container, it is best eaten within about 3 to 4 days. Do not leave it at room temperature for long periods.

Can boiled red onion be frozen?

Yes, but the texture usually becomes softer after thawing. It works better in soups, stews, and sauces than in fresh-style salads.

What foods pair well with boiled red onion?

It goes well with yogurt-based dishes, lentils and beans, grilled vegetables, and meat dishes. Acidic ingredients like lemon juice or vinegar can brighten its flavor.

Is boiled red onion easier on digestion than raw onion?

For many people, yes, because cooking reduces some of the compounds that can feel harsh on the stomach. People with sensitive digestion may still need to watch portion size.

Is boiled red onion better before or after a workout?

It is not usually a standalone workout food, but it can fit into a light meal. Before training, simpler and smaller portions are often more comfortable.

How is boiled red onion different from caramelized onion?

Boiled red onion stays lighter, moister, and less concentrated in flavor. Caramelized onion is cooked longer, usually with fat, and develops a sweeter, deeper taste.

Who should be careful with boiled red onion?

People with onion allergy or sensitivity to FODMAP-rich foods may not tolerate it well. Those with reflux or a very sensitive stomach can also react differently depending on the amount eaten.

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Nutrition data compiled from USDA FoodData Central and scientific sources.