There are numerous clinical studies and reviews to prove these contraindications. In addition, people, who suffer from liver or kidney issues, are not supposed to take erectile dysfunction drugs. And of course, if you have problems with blood pressure forget about penis enlargement pills!
When a person smokes cigarettes, the walls of blood vessels are not elastic enough to withstand the high pressure of the pumping action of the heart.
And if you decide to take penis enlargement pills, you should refrain from drinking alcohol, because it can not only affect the ‘activation’ speed of the drug, but aggravate its side effects.