Growth Xtreme It is best to take it before breakfast, before coaching and before bedtime. Creatine monohydrate. Creatine monohydrate should make up the grounds for all muscle developing individuals. It is the strongest, legal Growth Xtreme in the world. Creatine monohydrate is dependant on offering extra power to muscle tissue. Thanks to this, you will be able to perform more repetitions or lift a greater bodyweight, which in turn will contribute to muscular development.