The book The Steroid Substitute - Performance Enhancing Substances is the long overdue guide for athletes with detailed descriptions of over 90 hormone-free performance enhancing substances. The book is an independent source of information and helps the reader to differentiate between effective and uneffective products and use them properly. The practical hand-son presentation turns this book into a must-read for every kind of ambitious bodybuilder.
this book is only available in German!
by H. Gärtner / R. Pohl
performance enhancing substances in bodybuilding
presentation of more than 90 hormone-free substances