While Vitamin D has wide range of benefits. Can I know why you have added calcium ? Are you lacking in calcium.
The ratio of calcium to magnesium will impact your health.
And the actual ratio can only be found by doing a hair mineral analysis. Blood results won't show deviation as the body maintains homeostatic by pulling out minerals from other parts of the body.
If you are taking a lot of supplements the only way to know how much of each you need by doing a HTMA