What is DFE in Vitamins? Understanding Dietary Folate Equivalents
                                
                                
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                                    5 min read                                
                            
                                The synthetic folic acid found in supplements is absorbed up to twice as efficiently by the body compared to the natural folate found in food. For this reason, **what is DFE in vitamins** is a key measurement used to standardize the intake of vitamin B9 across all sources.