Natural GH boosters have been a a revolutionary part of the bodybuilding and nutritional supplement industry since arriving onto the market. HGH boosters combine a variety of natural ingredients such as the amino acids L-lysine, L-arginine, L-Ornithine and various other amino acids. These amino acids have been demonstrated to help increase healthy growth hormone levels in the body within normal ranges, with few if any side effects. They are best used on an empty stomach right before bed, which means they should not be taken at the same time as any other supplements. However, they can be stacked with protein and BCAAs (branched chain amino acids) which are to be used throughout the day and at least 2 hours before taking HGH boosters.