Nordic CBD Oil This is a common question and although these types of pills are made specifically for guys with sexual issues they will help and guy perform better. Every three months you should take up two 2 weeks break from these pills so your body doesn't get immune to the ingredients. There are pills that give you more blood flow to the penis while you take them that makes your penis look slightly bigger but only while you take it. None of these products has been proved to work, and some may be harmful. Here are some of the most widely promoted products and techniques: Dietary supplements don't require approval by the Food and Drug Administration, so manufacturers don't have to prove safety or effectiveness.