What's the best calcium with vitamin D supplement?

Calcium and vitamin D are two of the most popular supplements—but are Americans getting their money's worth? ... What Past Research Shows ... That data showed that taking daily calcium pills can increase bone density in people over 50 years old by 1 to 2 percent—not enough to prevent fractures. read more

Labdoor analyzed 30 best-selling calcium supplements in the United States, measuring levels of key active ingredients (calcium and vitamin D) as well as heavy metal contaminants (antimony, arsenic, bismuth, cadmium, and silver). read more

The supplements with calcium were also tested for the presence of arsenic, cadmium, lead, and mercury. Average vitamin D3 levels ranged from 105 percent to 141 percent of the labeled amount in the adult and children’s vitamin D-only products (1,000 international units, or IU, and 400 IU, respectively). read more

Unless swallowing a pill is a horrible experience, I would strongly suggest taking your choice of calcium supplement, and getting your D in a D3 supplement. That is, I don't believe in "400 IU" dosing with D. read more