Loading...
Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, red onions are very healthy. They are rich in antioxidants, particularly anthocyanins which give them their vibrant color and may help reduce the risk of heart disease. They also contain compounds with anti-inflammatory properties and support gut health due to their fiber content.
Per 100g, a medium red onion contains approximately 40 calories, 1.1g of protein, 9.34g of carbohydrates, and only 0.1g of fat. They are also a good source of dietary fiber and various vitamins and minerals.
Yes, red onions can be beneficial for weight loss due to their low-calorie content and high fiber. The fiber helps promote satiety, keeping you feeling full longer, and aids in healthy digestion, making them a great addition to a balanced diet.
Yes, red onions are naturally vegan as they are a plant-based vegetable. They are also naturally gluten-free, making them suitable for individuals following vegan and gluten-free diets.
While red onions contain carbohydrates (9.34g per 100g), they can be consumed in moderation on a keto diet, especially when used as a flavoring agent rather than a primary ingredient. Small amounts, particularly raw in salads, can fit within daily carb limits for many.
Red onions have a slightly milder and sweeter flavor than yellow or white onions, with a crisp texture and a pungent bite when raw. They are excellent thinly sliced in salads, sandwiches, and salsas, or pickled. When cooked, they become even sweeter and less pungent, perfect for roasting, grilling, or caramelizing.
Yes, red onions are commonly eaten raw. Their crisp texture and vibrant color make them a popular addition to salads, sandwiches, burgers, and tacos. Slicing them thinly or soaking them in cold water for a few minutes can help reduce their pungency if desired.
medium red onion is a versatile ingredient found in cuisines around the world. With 40 calories per 100g and 1.1 grams of protein, it's a nutritious addition to many dishes.
Explore more ingredients in the vegetable category with complete nutrition information.
View all vegetable →Discover 1 recipes featuring medium red onion with step-by-step instructions.
Browse recipes →Store whole, unpeeled red onions in a cool, dry, dark, and well-ventilated place, like a pantry or cupboard, away from potatoes. Avoid storing them in the refrigerator, as the humidity can make them soft and sprout faster. Properly stored, they can last for several weeks to a few months.
A fresh red onion should be firm, with dry, papery skin and no soft spots or sprouts. Avoid onions that feel mushy, have a strong odor, or show signs of mold. Sprouting indicates it's starting to age, but it's usually still safe to eat if the onion is otherwise firm.
Yes, red onions are particularly rich in anthocyanins, the powerful antioxidants responsible for their red-purple color, which are less prevalent in yellow or white onions. These anthocyanins contribute to their potential benefits for heart health and anti-inflammatory properties.