What Vitamin Boosts Defense? A Comprehensive Guide to Immune-Supporting Nutrients
                                
                                
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                                    5 min read                                
                            
                                According to the National Institutes of Health, deficiencies in certain vitamins, such as A, C, D, E, and some B vitamins, can adversely affect immune function. A varied, nutrient-dense diet is the cornerstone of supporting your body's defenses, but understanding what vitamin boosts defense most effectively can help you focus your efforts.