How do you know if you have a B2 deficiency?
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, riboflavin (B2) deficiency is extremely rare in the United States, typically occurring alongside deficiencies in other B vitamins. However, in vulnerable populations or those with poor dietary habits, a B2 deficiency can manifest with a variety of noticeable signs.