Can performance-enhancing substitutes have an effect on a healthy penis? That's a topic that many men have strong feelings about. With these substitutes in the news frequently in regard to their use in professional sports and among muscle-building enthusiasts, it's a good idea to look at the facts. After all, when talking about factors that can impact penis health, it benefits a guy to have good information.

What are they?

The substances known as performance-enhancing substitutes are a ...


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