Nandrolone Phenylpropionate Driada Nanphenylos 100 mg is a highly anabolic and moderately androgenic steroid and for this reason it has moderate side effects. For those people who are conscious of developing side effects after using steroids, nanphenylos will help you achieve your muscle building dreams without feeling the pain of side effects. Most people who use steroids use it for the development of muscles and increase in strength. This is the main reason why it is popular amongst athletes of all kind. Durabolin is an option for anyone who wants to look and feel good about himself, since the side effects will not show as fast as if you are using other steroids.