"Inspiring is Jay's knowledge of hormone replacement and human physiology, which surpasses that of many of my medical colleagues. This he brings to you the reader in the pages of his much-needed and timely opus. Open your eyes, read and digest Jay's words. This book is the chapter that I was scared to write."

Brett Osborn, MD Diplomate, American Board of Neurological Surgery Diplomate, American Academy of Anti-Aging Medicine CSCS, National Strength and Conditioning Association, Author of Get...