A very rare but all the more serious problem of Nolvadex is that in some cases it does not lower the estrogen level but can increase it. 또 다른 단점은 일부 스테로이드의 단백 동화 효과를 약화시킬 수 있다는 것입니다. The reason is that Nolvadex, as we know, reduces the estrogen level.