IGF-1(Insulin Growth Factor-1) is a compound produced primarily in the liver through a conversion of HGH (Human Growth Hormone). HGH is secreted by the pituitary gland. This dietary supplement will be a promising addition to the nutrition regimen of fitness enthusiasts. Our formula contains precious New Zealand Deer Antler Velvet Extract. New Zealand has been free of deer """"wasting diseases"""" that affect red deer (cervus elaphus) since 1954.