What Causes Your Vitamin D to Deplete? The Complete Guide
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, almost 1 in 4 U.S. adults are considered low in vitamin D. Understanding the root causes of this widespread issue is key to prevention, as several factors can cause your vitamin D to deplete, including insufficient sunlight, dietary limitations, and certain health conditions.