SD is a compound that makes “dry” muscle, regardless of the route of administration used. However, unlike other dry compounds, SD is a complete mass gainer capable of producing extreme increases in muscle fullness. It is the ONLY steroid I know of that is capable of producing such extreme intramuscular water retention without causing a simultaneous increase in subcutaneous water retention. With most of the stronger mass gainers, you will notice a fair to high degree of subcutaneous water retention, but not with SD. This is one of the biggest, if not the biggest difference between SD and other mass gainers. Perhaps the second biggest difference between SD and other bulk methylated AAS is that it is extremely mild in terms of visual side effects. This is due to its inability to aromatize and its extremely weak androgenic nature in many tissues. Many people, when trying to assess the likelihood of a drug causing androgenic side effects, look at its androgenic rating. This is a mistake, because androgenic ratings only assess the androgenic potency of prostate tissue. This does not tell us how likely it is to affect scalp tissue, vocal cords, skin, etc., and don’t think that having a low androgenic effect in one area means it is more likely to have a low androgenic effect in general. The truth is that a steroid can display low androgenicity in one tissue and severe androgenicity in another. Take Masteron, for example. Masteron has an androgenic rating of only 40, but it’s known to be pretty harsh on hair loss. The same is true for Winstrol.
SD is the ONLY steroid currently in production capable of producing profound increases in muscle mass, while possessing a low androgenic character in multiple relevant tissues. As far as estrogenic side effects are concerned, they are non-existent, as the drug does not aromatize to any degree. However, it is likely to cause gynecological rebound, so you may need to watch out for that. It does not cause any sexual side effects, either in terms of dysfunction or libido, as long as testosterone is used with it.