A. vera gel polysaccharides consist of linear chains of glucose and mannose molecules, of which mannose is more concentrated than glucose, thereby the molecules are referred to as polymannans.6 These are linear chains ranging in size from a few to several thousand molecules.7 The major polysaccharide, acemannan, is composed of one or more polymers of various chain lengths with molecular weights ranging from 30 kDa to 40 kDa or greater, and consisting of