Vidalista 20 which contains Tadalafil is primarily used to treat erectile dysfunction (ED) and benign prostatic hyperplasia (BPH) by improving blood flow. It is not intended or approved for treating chronic fatigue syndrome (CFS) or general fatigue.

While some studies suggest PDE5 inhibitors (like tadalafil) may have benefits for muscle oxygenation and circulation, there is no strong clinical evidence supporting Vidalista 20 for chronic fatigue. If you are experiencing persistent fatigue, it is best to consult a doctor to explore potential underlying causes and appropriate treatments.