1 Medium= 41 Calories
Onions come in three colors yellow, red and white. Approximately 87% of the crop is devoted to yellow onion production, with about 8% red onions and 5% white onions. Onions represent the third-largest fresh vegetable industry in the United States. Several servings of onion each week are sufficient to statistically lower your risk of colorectal, laryngeal, and ovarian cancer.
ALLICIN: An excellent source of this sulfur compound, which helps the body to get rid of bad cholesterol and reduce the amount of unhealthy fats produced by the liver.
FLAVONOIDS: A great source of this anti-oxidant.
POLYPHENOL: Enough to boost your metabolism if eaten regularly.
VITAMIN C: A good source. FOLIC ACID Helps fight anemia.