Oral Steroids Steroids taken have a half-life of several hours. while injected steroids have a half-life of several days. Steroids loss usually come on the form of a pill. Oral steroids are usually used as stacking agents on top of injectables. to enhance the effect of injectables. furthermore, some orals such as Anavar Winstrol actually reduces the unwanted water retention. brought in by some injectables. All in all, Orals steroids provide a convenient. and easy way of taking steroids without the hassle of pinning oneself.