The side effects of Finaject may include response effects that are based on genetic response to the Trenbolone hormone. Adjusting and lowering the dose may be the solution, but in many cases it may mean Tren is not the right steroid for the individual. The response effects of Finaject can include insomnia, anxiety, rapid heart rate and night sweats. These effects may be mild to severe. Some individuals may experience one or two, some may experience all and just as many will experience none of them at all. There is no way to predict where the individual will fall.