Lemon fruit extract is derived from the fruit of the Citrus limon tree. Lemons are a very good source of vitamin C and a good source of folate and potassium. One lemon is just 12 calories and provides 37% of the Daily Value (DV) of vitamin C (nutritiondata.com). The percent DV on a Nutrition Facts label indicates how much a nutrient contributes to a healthy adult’s daily recommended intake based on a 2,000-calorie diet. Lemons, which are also rich in phytochemicals with antioxidant properties1 , have been used traditionally to enhance energy, improve digestion and protect arteries1,2 .