Human growth hormone info, Saizen human growth hormone replacement therapy. saizen is one of a small, but growing number of legal hgh hormone replacement therapy medications in the united states.. Lipids - university cincinnati, Lipids: fats, oils, waxes, etc. 2d says, “being able to store fats in our bodies is really important to us butterflies and our caterpillars.. L-carnitine: - vanderbilt university | nashville, tennessee, What is l-carnitine? l-carnitine is a naturally occurring amino acid which plays a vital role in the metabolism of fat. it functions as a transporter of fatty acids.