Understanding Vitamin D Needs for Gym Goers
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, over 1 billion people worldwide are estimated to have vitamin D deficiency, a problem that is particularly common among athletes and gym goers. This deficiency can silently impact everything from muscle function and bone health to immune defense, making it a critical consideration for anyone serious about their fitness regimen.