Is olestra a fat replacer?
                                
                                
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                                    3 min read                                
                            
                                First approved by the FDA in 1996 for use in savory snacks, the synthetic fat substitute olestra, also known as Olean, promised a calorie-free way to enjoy fried foods. The question is olestra a fat replacer is a key one in food science and consumer health, but the story behind its rise and fall is as important as its function.