I have two bottles of Vitamin D3. Just one is 5000IU with and it has Vitamin K2 MK7. I get this 1 three times per week. Another is simply simple D3 but is a bit superior in dose at 10000IU without having K2 in it. I randomly get this bigger https://andersoncltaf.blogchaat.com/34110992/a-review-of-natural-immune-modulators