Will Red Light Increase Vitamin D? Understanding the Science
                                
                                
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                                    4 min read                                
                            
                                An estimated 1 billion people worldwide have vitamin D deficiency, leading many to seek alternative ways to boost their levels. A common question that arises is: will red light increase vitamin D production, offering a safer alternative to sun exposure? The answer is no, red light therapy does not directly increase vitamin D levels.