Practice relaxation techniques and lifestyle changes. Do moderate excercises.
Take about 5-10 gm root powder of Ladyfinger in a glass of milk. Add 2 tsp of mishri (crystal sugar) in this milk and drink it. This will prove helpful in improving sexual vigor.
Take a white onion, peel it off, crush and then fry in butter. This mixture can be taken daily with a spoon of honey, but make sure to consume this mixture when your stomach has been empty for at least two hours.
Put 15 gm dried roots of asparagus in a glass of milk. Have this milk two times in a day.
Wash 30 grams of black raisins in lukewarm water. Eat them with a glass of warm milk, daily. Increase the quantity by 50 grams after some time.
Mix jambul fruit (Indian herb) with milk and add a little honey to it. Consume this mixture to treat impotence.