Hey my d3 level is low 28 today I went to physician I told him my d3 level amd I said then to help to reach it upto 50-75, so I got tablet of calpro d3 is same as other d3 tablet is out there it has d3 60k iu, my physician said you have to take it upto 2 month once a week capsule, and I found out some articles in which it was said that high dosage of d3 can spread the calcium into arteries and cause heart problems, my dosage is once a week upto 2 Month, so is it safe to take? I would be feeling very delight to get your answer really I like Lybrate because you such good doctor :) please give share your knowledge and experience.