I have two bottles of Vitamin D3. One particular is 5000IU with and it has Vitamin K2 MK7. I take this one three days every week. The other is just plain D3 but is a little bit superior in dose at 10000IU without having K2 in it. I randomly choose https://jaidenwodra.blogars.com/32939243/the-basic-principles-of-bioavailable-polysaccharides