What Is the Very Best Vitamin for Hair Growth? A Comprehensive Guide
                                
                                
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                                    5 min read                                
                            
                                According to a 2019 review, low serum vitamin D levels may be linked to androgenetic alopecia, a common type of hair loss. This illustrates that there is no single "best" vitamin for hair growth, but rather a spectrum of nutrients that are essential for strong, healthy hair follicles. This guide addresses the question, what is the very best vitamin for hair growth, by explaining the different roles key nutrients play.