D-Lats
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Anabolic steroids are commonly taken in two ways: orally or by injection. Oral steroids tend to have the greatest number of side effects. When they are ingested, they have to pass through the digestive system and the liver in order to get into the bloodstream. They have to be designed so as to survive this process, and taken in sufficiently large amounts to insure that there is enough left afterwards to have an effect. Steroids taken in this form are subject to aggressive action by the liver, whose job it is in large part to remove such substances from the body. This puts a great deal of strain on the liver and, in some cases, this can result in significant liver damage.
Steroids taken by injection can be water-based or oil-based. Generally, the oil-based steroids have a longer half-life than those that are water-based (and much longer than the orals), making those the substances that most often show up in steroid tests. Because they are not designed to pass through the digestive system, as well as other technical reasons, injectable steroids tend to have a much less stressful effect on the liver.
Steroids taken by injection can be water-based or oil-based. Generally, the oil-based steroids have a longer half-life than those that are water-based (and much longer than the orals), making those the substances that most often show up in steroid tests. Because they are not designed to pass through the digestive system, as well as other technical reasons, injectable steroids tend to have a much less stressful effect on the liver.