Hi Krishna, This is a very common problem in young adult males between the age of 25-30 years.
It helps the penis skin become softer and smoother but if you intend to make your manhood bigger, this may not be the solution to consider.
Many side effects of these pills can be similar to a common cold like headaches, congestion, and a cough however in some rare cases it can lead to heart attacks, strokes, and even death depending on your health condition.
A side effect may lead to a painful erection, called priapism by restricting oxygen in the blood to the penis, which can lead to a paralyzed penis.
During sexual stimulation, Nitric Oxide is released in the body which is responsible for erection.
It is known to increase testosterone production.