Zederex This is the CRUCIAL part of the method. If you want a penis that is nearly 4" bigger, like mine, it is essential that you follow a natural enlargement program. Only then can you finally be the size that you dream of! Making your penis growth occur faster is great for some people. What you do is drink 2-3 litres of water a day, take a good multi-vitamin formula and exercise. Then your body is prepared for the growth that is about to take place.