The Truth About What Vitamin Keeps Mosquitoes from Biting You
                                
                                
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                                    5 min read                                
                            
                                A 2022 review of over 100 studies unequivocally concluded that oral supplements like vitamin B1 have no effect on mosquito biting rates, effectively debunking the long-held myth about what vitamin keeps mosquitoes from biting you. The idea persists, but the scientific evidence is clear: vitamins are not effective repellents.