Euviril is used to treat erectile dysfunction. It can be taken in the form of capsules. Euviril helps to achieve an erection that is more than enough for sexual activity. The recommended dose is a 10mg pill taken about 25 to 60 minutes before having sex. This sex enhancer is effective within 15 minutes of taking the pill and could last up to 24 hours. Its main ingredient is L-Arginine, a protein amino acid. This product contains other herbs and natural plant extracts. Other ingredients are D-aspartic acid, the shell of the capsule is made by gelatin and maca root powder, the filling contains microcrystalline cellulose, taurine, caffeine, zinc citrate, black pepper extract (95% piperine), anti-caking, magnesium salts of fatty acids (pig), dye, titanium dioxide, and vitamin D3.