Kal - Cal-Citrate + With Vitamin D3 & Magnesium - 120 Tablets Kal Cal-Citrate + With Vitamin D3 & Magnesium is a 4 daily dietary supplement. KAL Cal-Citrate + provides 1000 mg of Calcium per serving. KAL Cal-Citrate + is infused with Vitamin D-3 and Magnesium. KAL Cal-Citrate +s Calcium provides n