Is Glycerin Harmful for Humans? Separating Fact from Fiction
                                
                                
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                                    4 min read                                
                            
                                The U.S. Food and Drug Administration (FDA) classifies glycerin as "generally recognized as safe" (GRAS) for use as a food additive. However, confusion and concern about its safety can arise, especially regarding potential side effects from excessive intake or improper use.