Complex but thought provoking, moderation in all things, and I have not looked at either of these so have no idea what they do or how they work in the body at a wider level.
Xylitol - Fullofbeans thanks for the wikipedia link - V interesting.
Xylitol inhibits inflammatory cytokine expression induced by lipopolysaccharide from Porphyromonas gingivalis.
http://www.ncbi.nlm.nih.gov/sites/en...RVAbstractPlus
Anti-Inflammatory and Immunomodulatory Activities of Stevioside and Its Metabolite Steviol on THP-1 Cells.
http://www.ncbi.nlm.nih.gov/sites/en...ubmed_RVDocSum
Abstract
"Stevioside, a natural noncaloric sweetener isolated from Stevia rebaudiana Bertoni, possesses anti-inflammatory and antitumor promoting properties; however, no information is available to explain its activity."