Cal-MAG CAPS, with D-3, K-2 and Boron, 90 Vegetarian Capsules

What the brand says

The citrate forms of calcium & magnesium used in this supplement are water soluble & highly bioavailable. Vitamins D-3 & K-2 have been added because they are integral to calcium absorption bone formation. Boron is a trace mineral that supports calcium & magnesium retention. As always, consult with your health care professional.