Is Glycerin a Prebiotic? Understanding Its Role in Gut and Skin Health
                                
                                
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                                    4 min read                                
                            
                                Research suggests some gut and skin bacteria can ferment glycerin, but the effect is complex and varies. The question remains: is glycerin a prebiotic in a way that truly benefits human health? This article explores the science behind glycerin's interactions with the body's microbiomes.