No, Lemon is a rich source of vitamins C, amino acids, phosphorous, copper, magnesium, potassium, sugar and calcium. And it is also very good for your liver and it also improves bowel movement and reduces wrinkling.Lemon juice helps to strengthen your immunity system and cleanses your stomach.Takes lemon juice every day with lukewarm water-reduce the weight & also It helps to prevent diabetes, constipation, high blood pressure, skin care, fever, hair care, dental care, indigestion and many other health problems.