VigRX Plus-Male Enlargement formula http://www.vigrxplus.com/clicks/clickthrough.ht... VigRx Plus works by increasing the flow of blood into the Corpora Cavernosa. By increasing the flow of blood, it will force the penile tissue chambers to expand as a result. Your penile tissue chambers will now be able to hold more blood than ever before which will result in an increase in penis length and girth. VigRX Plus is a safe, effective formula which is completely natural, and has no negative side effects. This makes VigRX Plus a much safer choice than Viagra, Levitra, and Cialis; drugs which don't work for many men, and can have several unpleasant and potentially dangerous side effects. When you see the many positive effects of VigRX Plus.