Is nutrigenetics legit? Navigating the science of personalized nutrition
                                
                                
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                                    6 min read                                
                            
                                A 2016 systematic review found limited evidence that nutrigenetic dietary advice motivates behavior change, highlighting a key area of public concern. This raises a critical question for many consumers: **is nutrigenetics legit** for practical, personalized nutrition, or is it simply a marketing gimmick?