What Deficiency Causes Dark Feet and Skin Pigmentation?
                                
                                
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                                    4 min read                                
                            
                                According to research, skin hyperpigmentation affects approximately 3 to 5% of the general population and is a notable, though sometimes overlooked, sign of nutritional problems. If you notice darker skin on your feet, understanding what deficiency causes dark feet is crucial for proper diagnosis and treatment.