What are the hardest days of Whole30?
                                
                                
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                                    4 min read                                
                            
                                According to Whole30.com, Days 10 and 11 are statistically the period when participants are most likely to quit, solidifying their reputation as the hardest days of Whole30. However, the program presents a variety of distinct challenges throughout its duration, from initial physical withdrawal symptoms to later mental hurdles.