Mark Wilson is the owner and editor of

For the last 12 years Mark has worked as an independent health researcher, fitness coach and author.

Mark writes books, blog posts and articles that teach men how to maintain erections and boost testosterone levels naturally, without using steroids, drugs, or artificial hormones.

He currently owns 5 sites in the men's sexual health niche and has published more than 5,000 articles and blog posts on dozens of websites all over the world wide web.

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Dr. Zac Hyde is a certified physician (M.D.) with a Doctor Of Medicine Degree from Algiers University.

Dr. Hyde works online as a medical writer and content editor who reviews articles and blog posts for medical accuracy.

Dr Hyde is also an author who writes about medicine, fitness, and nutrition.

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