Contains Calcium And Magnesium In The Ratio 2:1 Easy- To- Swallow Tablets Vitamin D-3 Helps Enhance Calcium Absorption In The Body Vitamin K2 Helps In Formation Of Normal Bones Suggested To Take 4 Tablets Daily With Food Or A Glass Of Water Kal Ultra Call-Citrate+ Is A Synergistic 2:1 Ratio Of Calcium And Magnesium Plus Vitamins D-3 And K-2 In Easy-To-Swallow Tablets. Vitamin K-2 (Mk-7) From Natty, Is Intended To Provide Nutritive Support For Normal Bone Formation. High Potency Vitamin D-3 Enhances Absorption And Utilization Of Calcium By The Body