The natural ingredients of GenF20 have 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. Associated with high energy levels and youthful appearance, Human Growth Hormone (HGH) is produced in high amounts in children, gradually dropping off as we age. Once available only to the ultra-rich by direct injection, HGH is one of the most powerful anti-aging substances known. It promotes youthful skin, greater bone and muscle mass, reduced fat storage, higher energy and endurance, fast healing and recovery, improved memory, better mood, increased sex drive, and hair growth.