Like all anabolic steroid, SUSTAN-250 also has side effects. Even though the side effects are rare, most builders will develop them when the drug is used for a long time. The most common side effects include: general fatigue; mood changes- depression, anger, anxiety, insomnia; gynecomastia; hair loss; impotence; retention of water; changes in liver enzymes; liver masses; testicular atrophy; acne, oily skin.
The majority of these side effects reverse when the drug is stopped. It is important that all individuals who use anabolic steroids have a follow up with a physician to monitor their liver. Rare cases of liver failure and cancers have been reported.