Nandrolone is one of the best known steroids in the history of bodybuilding. Originally synthesized in 1950s, athletes quickly found there was a good use for this powerful steroid. As far back as the mid 1960’s nandrolone has been used as a great addition to a dianabol and/or testosterone cycle. Since nandrolone works for any athlete looking to increase the amount of steroids he is using, without increasing the side effects, it has been a favorite of many old school bodybuilders. In simple terms, deca allows you to use more steroids, without having more side effects.