Supports healthy bones Promotes natural energy production Provides calcium and magnesium in the preferred 2:1 ratio Chelated for optimal absorption Potency and quality guaranteed Calcium and magnesium work closely together to support healthy bones and natural energy production. To be most effective, these two minerals are provided in the preferred 2:1 ratio. Fully reacted calcium glycinate and buffered magnesium glycinate, the chelated forms of these minerals, promote maximum absorption.