Lemon is a popular fruit, known for its immune-boosting properties and high vitamin C content. It’s rich in iron, magnesium, and dietary fiber and has been used for its benefits in health, skin, and beauty since ancient times. Lemon is widely consumed worldwide. Nutritional values per 100 g of lemon include 52 kcal of energy, 0.26 g of protein, 13.81 g of carbohydrates, 0.17 g of fat, 4.6 mg of vitamin C, 2.4 g of fiber, 5 mg of magnesium, and 0.035 mg of iron.