Being a derivative of DHT, it is unable to aromatize into estrogen. These makes side effects like gyno and bloat not a problem or any other estrogenic associations. Side effects include: mild hair loss risk, achy joints, slight acne and aggression. Since 1-AD is not non-17a methylated there is much less concern for altered cholesterol problems and it is liver safe. Depending on your diet, blood pressure may be slightly elevated, but is typically not an issue. Users consider side effects mild and very easily tolerated during cycle. It's best to stack Finaflex 1-AD with a aromatizing (wet) or progestational hormone will increase strength gains, produce a more pronounced amount of mass and help decrease side effects.