GenF20 has helped many people achieve a better quality of life. Research has shown that hgh precursors (amino acids) stimulate the pituitary causing it to release its produced growth hormone. GenF20 is a formulation of growth hormone releasing amino acids which are combined with substances that aid in the release, or have a positive effect on our health. Success is more noticable in people with low HgH secretion levels (usually over 45 years), whose pituitary is still producing human growth hormone. The formulation of GenF20 is also suitable for use by younger individuals who experience fatigue, increasing weight, sagging skin and reduction of muscle size. Negative lifestyle factors like smoking, drinking, poor eating habits, not enough sleep, and little or no exercise reduce the effects. GenF20 cannot work for you if your pituitary gland is not producing HgH due to sickness or removal, and won't be as effective if your pituitary produces an abnormally low amount of human growth hormone for your age. http://www-genf20.com