How long can I go on a fruit fast?
                                
                                
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                                    4 min read                                
                            
                                According to nutrition experts, a fruit-only fast should not be continued for more than three days, as it can lead to serious nutrient deficiencies. How long can I go on a fruit fast is a critical question with a clear answer: very short periods are recommended, if at all, and only after consulting a healthcare professional.