Somatotropin, also known as pituitary human growth hormone, has become famous for its anti-aging abilities. Some of the effects that somatotropin can have on the body are listed below*:
Sleep improvement
Growing of hair
Improved diet
Decreased blood pressure
8.8% increase in muscle mass (w/ no change in exercise)**
14.4% decrease in fat (w/ no alteration in diet)
Better kidney function
Higher cardiac output
Increased speed in healing of wounds
Better moods
Stronger bones
Gets rid of wrinkles
*From the clinical trials and other tests done in the past, there have been no recorded side effects. However, if the right amount of hGH is not taken, then there will be no effects.
**Since this is a very big plus for competitive athletes, it is important to know that this is seen as a steriod by the IOC. Several olympic athletes have been detained for hGH possession at the Sydney games. There were 13 vials of hGH found in a thermos carried by an Olympic swimmer.

Growth Hormone deficiency is a problem that many people deal with. Some of the symptomes of hGH deficiency are listed below:
Anxiousness
Less energy
Depression
Loss of memory
Poorer health
Reduced lean mass
Increased fat