Should I take D3 and K2 at the same time? An essential guide to synergy
                                
                                
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                                    4 min read                                
                            
                                According to a review in the *International Journal of Endocrinology*, combining vitamin D and vitamin K supplementation can be more effective for promoting bone and heart health compared to taking them alone. This leads to a crucial question for many supplement users: **should I take D3 and K2 at the same time?**