When to Take Vitamin D1? Dispelling the Myth for Optimal Absorption
                                
                                
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                                    3 min read                                
                            
                                More than 40% of people in the U.S. are deficient in vitamin D. While many search for information on 'vitamin D1,' this term is outdated; the focus should be on how and when to take vitamin D2 or D3 for optimal health and absorption.