Should we eat white or red onions?

Red onions (per 100 grams, equivalent to one cup of sliced ​​onions) have 44 calories and contain one gram of protein, 10 grams of carbohydrates, two grams of fiber, and no fat. Similarly, 100 grams of white onions contain 36 calories, one gram of protein, eight grams of carbohydrates, one gram of fiber, and, like red onions, no fat.