It also functions as a cell volumnizer?? expediting delivery of nutrients into the cell (this is why it's often recommended to take it as part of a fat burning stack with Lean Out and Energy Reserve before meals).</br></br>Product Description</br></br>Research has shown that the components of GH Factor - Arginine Pyroglutamate and Lysine Monohydrochloride when taken on an empty stomach can increase biologically active growth hormone levels.</br><br/>http://www.amazon.com/gp/product/B003U4O93W