Can You Still Absorb Vitamin D with Clothes On?
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, approximately 90% of the body's vitamin D is synthesized via the skin after exposure to solar ultraviolet B (UVB) radiation. The common misconception is that all sun exposure is effective, but the truth is, can you still absorb vitamin D with clothes on, and what factors truly influence this process?