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Nutrition Facts For Onion

Data sources: Finnish Institute for Health and Welfare and USDA FoodData Central
Last updated on March 15, 2024.
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Onion Nutrition Label

Onion Nutrition Facts
Serving Size: 100.00g
% Daily Value*
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Energy 29kcal (123 kj)
6%
Carbohydrates 4.80g
2%
Sugars 4.80g
Starch 0.00g
Sucrose 1.70g
Maltose 0.00g
Fructose 1.50g
Galactose -
Glucose 1.60g
Protein 1.25g
1%
Fat 0.10g
0%
Polyunsaturated fatty acids 0.05g
Monounsaturated fatty acids 0.02g
Saturated fatty acids 0.02g
Cholesterol 2.10mg
Sterols 9.30mg
Iron 0.50mg
3%
Vitamin d 0.00ug
0%
Calcium 33.00mg
3%
Chromium 1.00ug
4%
Sodium 3.70mg
0%
Iodine 1.00ug
1%
Copper 0.06mg
0%
Salt 9.43mg
0%
Selenium 0.50ug
1%
Vitamin e 0.04mg
0%
Zinc 0.40mg
5%
Vitamin c 10.20mg
14%
Vitamin b12 0.00ug
0%
Vitamin a (rae) 0.57ug
0%
Vitamin b1 0.03mg
3%
Vitamin b2 0.02mg
2%
Vitamin b6 0.13mg
10%
Manganese 0.23mg
13%
Magnesium 11.00mg
4%
Potassium 220.00mg
10%
Fluoride 0.01mg
0%
Phosphorus 40.00mg
6%
Vitamin k 0.70ug
1%
Fibre, total 1.70g
0%
Fibre, dietary 1.20g
5%
Niacin equivalents 0.40mg
3%
Molybdenum 0.01mg
0%
Folate 13.50ug
3%
Alcohol 0.00g
0%
Polyols 0.00g
0%
Water 91.62g
3%

*The % Daily Value tells you how much a nutrient in a food serving contributes to a daily diet.

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Common Questions about Onion

What is ONION?

Onion is a versatile vegetable widely used in cooking. It comes in various colors such as white, yellow, and red. Onions add flavor and aroma to dishes and can be enjoyed raw, cooked, or caramelized.

What are the health benefits of onions?

Onions are a good source of vitamin C, fiber, and antioxidants, which may help boost immunity, improve heart health, and reduce inflammation. They also contain compounds that have anti-cancer and antibacterial properties.

What are the health risks associated with onions?

Onions are generally safe for consumption, but they may cause digestive discomfort in some individuals, especially when consumed in large quantities. People with onion allergies may experience symptoms such as oral allergy syndrome, hives, or digestive issues. Additionally, some individuals may experience heartburn or acid reflux after consuming onions. It's important to moderate onion consumption and monitor any adverse reactions.

How much ONION to eat per day?

There is no specific recommended daily amount of onion to eat. Including onions in your regular diet can contribute to overall health due to their antioxidant and anti-inflammatory properties. As with all foods, it's best to consume onions in moderation as part of a balanced diet.

Can someone be allergic to onions?

Yes, an onion allergy is possible. It may cause symptoms such as itching, hives, swelling, or difficulty breathing in some individuals. If you suspect an onion allergy, it is important to consult with a healthcare professional for proper evaluation and diagnosis.

Onion Calorie Breakdown

The ratio of macro elements (protein, fat, carbs) in Onion

Fat 4%
Carbohydrates 76%
Protein 20%

Protein Amino Acids Profile

The ratio of amino acids in Onion. See full profile

Methionine 0%
Cystine 1%
Proline 2%
Isoleucine 2%
Histidine 2%
Tryptophan 2%
Tyrosine 2%
Valine 3%
Serine 3%
Threonine 3%
Alanine 3%
Leucine 3%
Phenylalanine 3%
Glycine 3%
Lysine 5%
Aspartic acid 13%
Arginine 14%
Glutamic acid 36%

Component Breakdown for Onion

Macro
Minerals
Vitamins
Amino acids
Carbo-hydrate
Energy 29kcal
(122.88kj)
6% of 478.01kcal
(2000kj)
Carbohydrates 4.80g
2% of (250.00 g)
Sugars 4.80g
Starch 0.00g
Sucrose 1.70g
Maltose 0.00g
Fructose 1.50g
Galactose -
Glucose 1.60g
Protein 1.25g
1% of (125.00 g)
Fat 0.10g
0% of (55.56 g)
Polyunsaturated fatty acids 0.05g
Monounsaturated fatty acids 0.02g
Saturated fatty acids 0.02g
Cholesterol 2.10mg
Sterols 9.30mg
Alcohol 0.00g
0% of (10 g)
Water 91.62g
3% of (3000 g)
Data for Amino Acids is mapped from an external database. Use with caution only for informational purposes. Source: USDA
Iron 0.50mg
3% of (18 mg)
Calcium 33.00mg
3% of (1000 mg)
Chromium 1.00ug
4% of (25 ug)
Sodium 3.70mg
0% of (1500 mg)
Iodine 1.00ug
1% of (150 ug)
Copper 0.06mg
0% of (900 mg)
Salt 9.43mg
0% of (2300 mg)
Selenium 0.50ug
1% of (55 ug)
Zinc 0.40mg
5% of (8 mg)
Manganese 0.23mg
13% of (1.8 mg)
Magnesium 11.00mg
4% of (310 mg)
Potassium 220.00mg
10% of (2300 mg)
Fluoride 0.01mg
0% of (3 mg)
Phosphorus 40.00mg
6% of (700 mg)
Molybdenum 0.01mg
0% of (45 mg)
Data for Amino Acids is mapped from an external database. Use with caution only for informational purposes. Source: USDA
Vitamin d 0.00ug
0% of (15 ug)
Vitamin e 0.04mg
0% of (15 mg)
Vitamin c 10.20mg
14% of (75 mg)
Vitamin b12 0.00ug
0% of (2.4 ug)
Vitamin a (rae) 0.57ug
0% of (700 ug)
Vitamin b1 0.03mg
3% of (1.1 mg)
Vitamin b2 0.02mg
2% of (1.1 mg)
Vitamin b6 0.13mg
10% of (1.3 mg)
Vitamin k 0.70ug
1% of (90 ug)
Niacin equivalents 0.40mg
3% of (14 mg)
Folate 13.50ug
3% of (400 ug)
Data for Amino Acids is mapped from an external database. Use with caution only for informational purposes. Source: USDA
Tryptophan 0.01g
4% of (0.4 g)
Threonine 0.02g
2% of (1.4 g)
Isoleucine 0.01g
1% of (1.4 g)
Leucine 0.03g
1% of (3 g)
Lysine 0.04g
1% of (2.7 g)
Methionine 0.00g
0% of (0.7 g)
Cystine 0.00g
1% of (0.7 g)
Phenylalanine 0.03g
2% of (1.2 g)
Tyrosine 0.01g
1% of (1.2 g)
Valine 0.02g
1% of (1.7 g)
Arginine 0.10g
Histidine 0.01g
1% of (1 g)
Alanine 0.02g
Aspartic acid 0.09g
Glutamic acid 0.26g
Glycine 0.03g
Proline 0.01g
Serine 0.02g
Hydroxyproline -
Asparagine -
Cysteine -
Glutamine -
Taurine -
Data for Amino Acids is mapped from an external database. Use with caution only for informational purposes. Source: USDA
Fibre, total 1.70g
0% of (400 g)
Fibre, dietary 1.20g
5% of (25 g)
Polyols 0.00g
0% of (10 g)
Data for Amino Acids is mapped from an external database. Use with caution only for informational purposes. Source: USDA

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