Eating raw onions has the benefit of energizing the body with carbohydrates and other nutrients. Onions, also known as scallions, are a common food. Each 100 grams of onions contains a variety of nutrients such as 40 kilocalories of energy, 9.34 grams of carbohydrates, 15 milligrams of phytosterols, 23 milligrams of calcium, 146 milligrams of potassium, 29 milligrams of phosphorus, 26 milligrams of vitamin P, 25 milligrams of leucine, 39 milligrams of lysine, and many other nutrients. When consumed, it can replenish nutrients and provide energy for the body. Raw onions are irritating and should be eaten in controlled amounts to avoid irritation of the stomach and intestines. Excessive consumption may result in adverse reactions such as flatulence and excessive gas, as well as gastrointestinal discomfort such as abdominal pain and diarrhea. A very small percentage of people may be allergic to onions and should avoid eating them to avoid allergic reactions.