Order Silvitra 120 combination of Sildenafil Citrate and Vardenafil online. Silvitra 120: Impact and improvement of sexual life. Each tablet of Silvitra 120 contains 100 mg of sildenafil citrate along with 20 mg of vardenafil, which together form a formidable combination that increases abundant blood flow to the penis to trigger an erection and maintain it throughout sexual activity.