Tadasoft 20 mg contains an active ingredient called Tadalafil, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Its primary purpose is to increase blood flow to the penis, thereby facilitating and sustaining an erection when sexually stimulated. Typically, the recommended starting dose of Tadasoft 20 mg is one tablet taken orally about 30 minutes before sexual activity. It's essential to follow your healthcare provider's advice regarding dosage and usage instructions.