The guts is essentially a big muscle, and like skeletal muscle mass, it has receptors for vitamin D. [39] Immune and inflammatory cells that play a job in heart problems situations like atherosclerosis are controlled by vitamin D. Taking vitamin D3 without the need of preserving an adequate vitamin K2 https://vitamin-d3-supplement11986.ageeksblog.com/27613537/detailed-notes-on-vitamin-deficiency