It is quite common the repulsive look of the late IFBB pros, showing protrusion of their abdominal area.
There are several mechanisms that cause this phenomenon and its multifactorial.
1) It is known that HGH via somatomedin (IGF-1) causes hypertrophy/hyperplasia of skeletal muscles and rest of the tissues Read more [...]
What Causes Abdominal Distension in Anabolic Steroid and HGH Users? – Dr. George Touliatos
It is quite common the repulsive look of the late IFBB pros, showing protrusion of their abdominal area.
There are several mechanisms that cause this phenomenon and its multifactorial.
1) It is known that HGH via somatomedin (IGF-1) causes hypertrophy/hyperplasia of skeletal muscles and rest of the tissues Read more [...] 


The hormonal status of a steroid user is very important and the correct balance between androgens and estrogens plays a significant role. Aromatization is a biochemical process which takes place in a variety of tissues, such as mammary gland, adipose tissue, liver and brain;induced by aromatase enzyme, testosterone is converted to estradiol(E2).
The more estrogenic 