Vidalista 80, which contains the active ingredient Tadalafil, is absorbed in the body through the gastrointestinal tract after oral administration. Here's a breakdown of the process: 1. Ingestion (Oral Administration) You take Vidalista 80 by mouth with water. It's typically taken with or without food, but a high-fat meal may slightly delay the onset of action. 2. Absorption in the Gastrointestinal Tract Once in the stomach, the tablet begins to dissolve. Tadalafil is then absorbed through the lining of the small intestine into the bloodstream. Bioavailability (how much of the drug enters circulation and is active): ~80% 3. Peak Concentration Tadalafil reaches its maximum concentration (Cmax) in the blood in about 2 hours (range: 30 minutes to 6 hours). That’s when its effects are typically felt most strongly. 4. Distribution After absorption, Tadalafil is distributed through the bloodstream to tissues, including the penile tissue, where it acts on PDE5 (phosphodiesterase type 5) enzymes. Tadalafil has a high affinity for plasma proteins, so most of it circulates in the blood bound to these proteins. 5. Duration of Action Tadalafil is known for its long half-life (~17.5 hours), which means Vidalista 80 can be effective for up to 36 hours after ingestion. This is why it's often called the "weekend pill".