http://www.T-Nation.com/free_online_forum/sports_training_performance_bodybuilding_gear/steroids_at_18
http://www.T-Nation.com/free_online_forum/sports_training_performance_bodybuilding_gear/are_steroids_really_bad_even_if_your_18
Those 2 are the most recent on this exact same subject.
Read them, and then if you still think it’s absolutely safe get back here so the people who know more about steroids than me can kick you in the ass.