The Best Vitamin D3 and K2 Supplements to Improve Bone and Heart HealthImprove bone and heart health with a vitamin D and K combo. Here, a registered dietitian shares benefits and how to pick the best D3 and K2 supplement for you. Johna Burdeos, RD | Sep 5, 2023The Best Vitamin D3 and K2 Supplements to Improve Bone and Heart Health / Published Sep 5, 2023JOHNA BURDEOS, RD