The side-effects of Testoviron are identical to all testosterone compounds, and largely surround this steroids strong aromatizing nature. This can lead to gynecomastia, excess water retention and even have a negative impact on your blood pressure. Further, like all testosterone compounds, Testoviron can have an adverse effect on LDL and HDL cholesterol levels, but all hope is not lost as the side-effects are easily avoidable for the healthy adult male. In-order to achieve this, you will need an Aromatase Inhibitor in-order to combat excess estrogen caused by the aromatizing process. Further, controlling your diet and dosing will do wonders for your protection; in-fact, if you do these things there’s no reason for a healthy adult male to have any serious issues.