Glycoscience.com seems to be back in a new, more muted form. Of course they haven't abandoned (mono)"saccharide" yet totally but...
"why would a person want to take a polysaccharide supplement?"
"Laboratory studies suggest that A*****ose products exert prebiotic, antioxidant and immune system effects."
"polysaccharide", "prebiotic", "glycoconjugate" oh, ah, that must have been hard to say. See the rest of loweduane's posts here for a more thorough technical view of the situation.
Also the Wikipedia article, before it was made guano by "barrettparrots" who can't even keep introductory chemistry concepts straight: