Dr. Glickman's Beta-mannan Supplement™ The ultimate Aloe vera supplement since 1996. https://player.vimeo.com/video/385889589?color=b8b8b8&title=0&byline=0&portrait=0&badge=0 The Beta-mannan™ supplement combines the best preserved, organic Aloe vera in a proper combination with natural Vitamin E to produce optimal healing results. It specifically uses Aloe vera’s polysaccharides derived from the Aloe vera gel which are safe, non-cytotoxic, and contain no barbaloin,