All subjects were monitored for adverse effects during the study period. Safety was also assessed by physical examination, clinical laboratory tests, and monitoring of vital signs before and during blood sampling. We rely on peer-reviewed studies, academic research institutions, and medical associations. This study evaluates the effects of two citrus fruit juices, lemon and Seville orange, on the pharmacokinetics of sildenafil in male healthy subjects following a single oral dose. Limit your alcohol consumption. Evaluation of Safety Adverse events were monitored throughout the study.The use of lemon (Citrus limon) and lime (Citrus aurantifolia) juices for the treatment of erectile dysfunction (ED) is fast becoming common practice, even though there is dearth Missing: viagra. A new study has claimed that combining a squeeze of lime with Viagra can quadruple the effects of the impotence drug. The study, conducted by the Federal . BUT the theory that drinking a mix of olive oil and lemon juice before sex can stop erectile dysfunction isn’t supported by any real evidence, nor is the idea that .