Hi, Taking lemon juice everyday may help to improve focus, elevate mood and reduce the effects of stress hormones which may destroy an erection and the moment. Lemon juice contains vitamin C that acts as an antioxidant and helps to reduce damage to cells in the body. According to some studies, vitamin C has been identified to improve overall sperm health as well as decrease the risk of infertility and boost someone s confidence as well as performance in bed. Taking lemon juice everyday may help to prevent dehydration and dehydration can cause loss of libido. Again, lemon juice may help to increase blood supply and it is happening to be improved in the penis. Increased blood flow may help to get a stronger and bigger erection during sexual intercourses. Lemon juice also may help to boost the testosterone levels in male. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Zubayer Alam, General And Family Physician