Miami's independent source of local news and culture. Athletes and bodybuilders have been using steroids to increase muscle mass for a long time. Many men, particularly those who participate in sports or who are interested in bodybuilding, use steroids to achieve quick results. Many steroids are sold illegally and come with a slew of negative side effects. So, what are some other safe and legitimate alternatives to steroid abuse? Are you trying to bulk up or lose weight with a legal steroid? Researchers have recently created safe, and legal steroids that can be used daily with no negative side effects.