Best Steroids for Leaning Out include Buy HGH, Primobolan, Anavar, Winstrol, Testosterone Propionate, Trenbolone and Masteron. The most popular steroid for this purpose is probably winstrol, as it has been known for this purpose for many years. Winstrol is so well known that almost every steroid user has heard of it. It is one of the best steroids for cutting up as it has great ability to make the muscles stronger.