Ionic D3 + K2 pairs two essential nutrients that each function more effectively in the presence of the other. When combined, the two highly bioavailable ingredients may help support strong and healthy bones, heart health, and immunity. This product contains no soy. We are America s #1 Trace Minerals Supplement Brand. Since 1972, Trace Minerals branded products have been recognized around the world as the pioneer of ionic trace mineral products that have supported consumers in living healthy lives. Our products are third-party tested to give you the highest quality product with maximum absorption. Feel the difference with Trace Minerals!