How Much Do Vitamin Levels Fluctuate? Understanding Daily, Seasonal, and Lifestyle Variations
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                Studies have shown that vitamin D levels can fluctuate by as much as 20% within a single day, peaking around midday. The degree to which all vitamin levels fluctuate is influenced by a complex interplay of diet, lifestyle, and physiological processes, making understanding these changes vital for accurate health assessments.