What Does High B3 Mean? Risks, Causes, and Management
                                
                                
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                                    5 min read                                
                            
                                According to recent research, excess niacin intake can lead to elevated levels of a specific metabolite (4PY) that is associated with an increased risk of heart attack and stroke. Understanding what high B3 means is critical, as it's typically caused by supplements rather than food and can have serious health implications.