What is the vitamin 4 treatment? Unpacking the Obsolete Term
                                
                                
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                                    4 min read                                
                            
                                Historically, the term 'vitamin B4' was used to refer to a few different compounds, but it has since been deemed an obsolete designation by nutrition science. In reality, there is no recognized **what is the vitamin 4 treatment** today, though the phrase may refer to modern intravenous (IV) vitamin therapy, a popular but controversial wellness trend.