Is 1000 IU the Same as 25ug? Vitamin Conversion Explained
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, 1,000 IU of vitamin D equals 25 micrograms (mcg). This conversion highlights the different units of measurement found on supplement labels and answers the question, 'Is 1000 IU the same as 25ug?'