Nandrolone decanoate is a nandrolone ester , or a prodrug of nandrolone .     As such, it is an androgen and anabolic steroid , or an agonist of the AR, the biological target of androgens like testosterone and DHT.     Relative to testosterone, nandrolone decanoate has enhanced anabolic effects and reduced androgenic effects.    It is considered to have strong anabolic effects but weak androgenic effects, with respective potency ratios of – and – (index value – or about an 11:1 ratio of myotrophic to androgenic effect) relative to testosterone propionate .    Along with oxandrolone (which has a ratio of about 10:1), nandrolone esters are thought to have the highest ratio of anabolic to androgenic effect of any other AAS.   For this reason, they are considered to be among the most appropriate AAS for use in women. 
The drug, although classified as an anabolic, however, androgenic side effects can occur. For example, perhaps increasing the oiliness of the skin, acne, hair growth on the body and face. Therefore, to avoid these unpleasant consequences, it should be strictly comply with the recommendations on the dosage of the drug. Women should be aware of the possible consequences virialization while taking the drug. In this case, they can have unpleasant phenomena such as voice. This coarse with low androgenic activity, androgenic side effects are much greater than threshold testosterone or fluoxymesterone methandrostenolone the. Do not forget that the drug can reduce the production of natural male libido and testosterone in the body. Reductase inhibitors should not be taken in the course nandrolone, as this may result in the exacerbation of side effects and impairment of general physical condition of the athlete.