How Much B12 Does a 30-Year-Old Woman Need?
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, adults aged 19 and older typically require a certain amount of vitamin B12 daily. However, a woman in her 30s may have differing needs based on lifestyle, dietary choices, and whether she is pregnant or breastfeeding.