The best and most used steroids are not always the same. Qualifying asteroid as being the best rely on real users reviews, images, and independent lab Androxy results. The same steroid used by different people can lead to different results. So, the nomination is quite subjective and is based on your own experience with a particular steroid brand. The most used steroids are the ones produced in underground labs and bought on the black Fluoxymesterone. The authorities have no control over their quality so they can be underdosed, contaminated or even contain another gear than the one labeled on it.