There are several testosterone books available. However, what makes this one so different is that it is written by Nelson Vergel (Founder of ExcelMale.com and D
An Independent Publisher Book Awards Gold Medal Winner A Progressive Book of the Year A TechCrunch Favorite Read of the Year “Deeply researched and thoughtful
Popular culture often equates testosterone with virility, strength, and the macho male physique. Viewed by some as an "antiaging tonic," testosterone's reputati
"Dr. Morgentaler, an internationally recognized expert in sexual medicine and male hormones, shares his secrets for a healthy life." --Irwin Goldstein, M.D., Di