Tadalista 40 mg (Tadalafil) is a medication used to treat Erectile Dysfunction (ED) in men. ED is a common condition where a man has difficulty achieving or maintaining an erection during sensual activity. Tadalista 40 mg is manufactured by Fortune Healthcare, India, and is taken orally, usually around 1 hour before sensual activity. It works by increasing blood flow to the pens, helping to achieve and maintain an erection during sensual stimulation.