Onion Calories & Nutrition Facts
Contains quercetin and allicin with potent anti-inflammatory and antibacterial properties.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 15 (Low)
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
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Frequently Asked Questions
How many calories are in Onion?
Onion contains 40 calories per 100g serving. This includes 4 calories from protein, 37 calories from carbohydrates, and 1 calories from fat.
Is Onion good for weight loss?
Yes, Onion is excellent for weight loss with only 40 calories per 100g. It is low in calories and can help you feel satisfied while maintaining a calorie deficit.
How much protein is in Onion?
Onion contains 1.1g of protein per 100g. This is a relatively low protein food; consider pairing it with higher protein sources.
Is Onion keto-friendly?
Yes, Onion is keto-friendly with only 9.3g of carbohydrates per 100g. It fits well within the typical keto macro limits of 20-50g net carbs per day.
Is Onion good for diabetics?
Onion is generally suitable for people with diabetes with a glycemic index of 15. Its carbohydrate content and fiber help support stable blood sugar levels. Always consult your healthcare provider for personalized advice.
What vitamins and minerals are in Onion?
Onion is a good source of vitamins C, B6, Folate, B1 and minerals including Potassium, Manganese, Copper. These nutrients support various bodily functions from energy metabolism to immune health.
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