Nutrients, Calories, Benefits of Onions

Published on: 01/06/2022

Calories in Onions


Onions contains 41 kCal calories per 100g serving. The reference value of daily consumption of Onions for adults is 41 kCal.

The following foods have approximately equal amount of calories:
  • Soy milk, natural and vanilla, with ext. calcium, vitamins A and D. (43kCal)
  • Soy milk, low-fat, with ext. calcium, vitamins A and D. (43kCal)
  • Green peas. Canned food (40kCal)
  • Peas, fresh (42kCal)
  • Peas, frozen, uncooked (42kCal)
  • Peas, boiled, with salt (40kCal)
  • Peas, boiled, without salt (42kCal)
  • Energy drink, RED BULL, with caffeine, vitamins: PP, B5, B6 and B12 (43kCal)
  • Blackcurrant juice (41kCal)
  • Ready-to-drink tea, ARIZONA iced tea, with lemon flavor (39kCal)

Carbohydrates in Onions


Onions have 8.2 g of carbohydrate per 100g serving, which is 9% of the daily value. Carbohydrates are a key source of energy for muscles to help you fuel, perform and recover. Carbohydrates are also important for optimal physical and mental performance. The reference value of daily consumption of Onions for adults is 8.2 g. 8.2 g of carbohydrates are equal to 32.8 kCal. A medium 5.3 oz skin-on potato contains 26 grams of carbohydrates. Many of today’s most popular fad diets recommend restricting all or specific carbohydrate-rich foods. This is unfortunate because carbohydrates have many important functions and eliminating them from the diet is neither necessary nor healthy.

Proteins in Onions


Onions contains 1.4 g proteins per 100g serving. A medium 5.3 oz skin on potato has 3 grams of protein. Protein is an important component of almost every cell and tissue in the body. Protein is made up of amino acids. There are 20 amino acids with biological significance; however, only nine are essential, meaning that our bodies cannot synthesize them and they must be obtained through food.

Fats in Onions


Onions contains 0.2 g fats per 100g serving. 0.2 g of fats are equal to 1.6 calories (kCal).

Vitamins and other nutrients in Onions

Nutrient Content Reference
Calories 41kCal 41kCal
Proteins 1.4g 1g
Fats 0.2g 0g
Carbohydrates 8.2g 8g
Organic acids 0.2g 0g
Dietary fiber 3g 3g
Water 86g 86g
Ash 1g 1g
beta Carotene 0.001mg 0mg
Vitamin B1, thiamine 0.05mg 0mg
Vitamin B2, riboflavin 0.02mg 0mg
Vitamin B4, choline 6.1mg 6mg
Vitamin B5, pantothenic 0.1mg 0mg
Vitamin B6, pyridoxine 0.12mg 0mg
Vitamin B9, folate 9mcg 9mcg
Vitamin C, ascorbic 10mg 10mg
Vitamin E, alpha tocopherol, TE 0.2mg 0mg
Vitamin H, biotin 0.9mcg 1mcg
Vitamin K, phylloquinone 0.4mcg 0mcg
Vitamin PP, NE 0.5mg 1mg
Niacin 0.2mg 0mg
Potassium, K 175mg 175mg
Calcium, Ca 31mg 31mg
Silicon, Si 5mg 5mg
Magnesium, Mg 14mg 14mg
Sodium, Na 4mg 4mg
Sera, S 65mg 65mg
Phosphorus, P 58mg 58mg
Chlorine, Cl 25mg 25mg
Aluminum, Al 400mcg 400mcg
Bohr, B 200mcg 200mcg
Iron, Fe 0.8mg 1mg
Iodine, I 3mcg 3mcg
Cobalt, Co 5mcg 5mcg
Manganese, Mn 0.23mg 0mg
Copper, Cu 85mcg 85mcg
Nickel, Ni 3mcg 3mcg
Rubidium, Rb 476mcg 476mcg
Selenium, Se 0.5mcg 1mcg
Fluorine, F 31mcg 31mcg
Chrome, Cr 2mcg 2mcg
Zinc, Zn 0.85mg 1mg
Starch and dextrins 0.1g 0g
Mono- and disaccharides (sugars) 8.1g 8g
Glucose (dextrose) 1.3g 1g
Sucrose 6.5g 7g
Fructose 1.2g 1g
Essential amino acids 0.286g 0g
Arginine 0.16g 0g
Valin 0.025g 0g
Histidine 0.014g 0g
Isoleucine 0.04g 0g
Leucine 0.05g 0g
Lysine 0.06g 0g
Methionine 0.01g 0g
Methionine + Cysteine 0.02g 0g
Threonine 0.04g 0g
Tryptophan 0.02g 0g
Phenylalanine 0.041g 0g
Phenylalanine + Tyrosine 0.07g 0g
Replaceable amino acids 0.663g 1g
Alanine 0.058g 0g
Aspartic acid 0.07g 0g
Glycine 0.041g 0g
Glutamic acid 0.22g 0g
Proline 0.03g 0g
Serine 0.027g 0g
Tyrosine 0.03g 0g
Cysteine 0.013g 0g
Saturated fatty acids 0.042g 0g
Omega-3 fatty acids 0.004g 0g
Omega-6 fatty acids 0.013g 0g

Nutrition Facts About Onions

The Power of Onions: Nutritional Benefits and Recipes

The Nutritional Benefits of Onions

Onions are not only a flavorful addition to many dishes but also pack a powerful nutritional punch. They are low in calories but high in vitamins, minerals, and antioxidants.

Vitamins and Minerals in Onions

Onions are a good source of vitamin C, vitamin B6, and folate. They also contain small amounts of other vitamins and minerals such as potassium and manganese.

Antioxidant Properties

Onions are rich in antioxidants, particularly quercetin. Antioxidants help protect the body from damage caused by free radicals, which can contribute to chronic diseases.

Health Benefits of Onions

Consuming onions regularly may have various health benefits, including reducing inflammation, improving heart health, and supporting immune function.

Ways to Incorporate Onions into Your Diet

Onions can be enjoyed raw in salads, sautéed as a base for many dishes, or caramelized for a sweet flavor. They are a versatile ingredient that can enhance the taste and nutritional value of your meals.

read more...

The Power of Onions: Health Benefits and Nutritional Value

The Health Benefits of Onions

Onions are not only a flavorful addition to many dishes but also packed with nutrients that offer various health benefits. From boosting immunity to promoting heart health, onions are a versatile vegetable that can enhance your overall well-being.

Nutrient Profile of Onions

Onions are rich in essential nutrients such as vitamin C, vitamin B6, folate, and potassium. They also contain antioxidants like quercetin and sulfur compounds that contribute to their health-promoting properties.

Immune-Boosting Properties

Onions are known for their immune-boosting properties due to their high vitamin C content. Vitamin C helps stimulate the production of white blood cells, which are crucial for fighting off infections and illnesses.

Heart Health Benefits

Onions have been linked to improved heart health as they can help lower cholesterol levels and blood pressure. The sulfur compounds in onions may also reduce the risk of heart disease by promoting healthy blood vessels.

Weight Management

Including onions in your diet can support weight management goals as they are low in calories and high in fiber. Fiber helps keep you feeling full for longer periods, reducing overall calorie intake.

Ways to Incorporate Onions Into Your Diet

Onions can be enjoyed raw in salads, sautéed as a base for various dishes, or caramelized for a sweet flavor. They are a versatile ingredient that can add depth and complexity to both savory and sweet recipes.

read more...

The Power of Onions: Nutritional Benefits and Recipes

The Nutritional Benefits of Onions

Onions are not only a flavorful addition to many dishes but also offer numerous health benefits. They are low in calories but high in vitamins, minerals, and antioxidants.

Rich in Antioxidants

Onions contain antioxidants such as quercetin, which helps reduce inflammation and may lower the risk of chronic diseases.

Supports Heart Health

Studies have shown that onions may help lower cholesterol levels and blood pressure, reducing the risk of heart disease.

Boosts Immune System

The high vitamin C content in onions can help boost the immune system and fight off illnesses.

May Aid in Digestion

Onions are rich in fiber, which can promote healthy digestion and prevent digestive issues such as constipation.

Incorporating Onions into Your Diet

Onions can be added to salads, soups, stir-fries, and more to enhance flavor and nutrition in your meals. Try caramelizing onions for a sweet and savory addition to dishes.

read more...
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