Is DRI the same as RDI? Understanding the Key Differences
                                
                                
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                                    3 min read                                
                            
                                Introduced in 1997, the Dietary Reference Intakes (DRI) system marked a significant expansion of nutritional guidelines. While DRI is a comprehensive set of values, the similar-sounding Reference Daily Intake (RDI) is a single value used primarily for food labeling, meaning DRI is not the same as RDI.