Theoretically, you should actually measure your blood levels of vitamin D and then get them to optimum levels and maintain them there. If you don’t know what your baseline is, you don’t know how much to take.
Other than that, vitamins A and K are synergistic with D.
Theoretically, you should actually measure your blood levels of vitamin D and then get them to optimum levels and maintain them there. If you don’t know what your baseline is, you don’t know how much to take.
Other than that, vitamins A and K are synergistic with D.