In this book you will have the fundamental knowledge on how to carry out, organize and optimize your training. You will know all the variables necessary for your training, whether it is for muscle mass gain, strength or fat loss. You will understand how to introduce the best exercises to your training routine, its benefits and technique. You will understand that exercises are potentially harmful, and you will get information about supplementation that DOES work and supplementation that DOES NOT work, all based on scientific evidence.