Est. 1973 1:1 Ratio Bone Strength Healthy Teeth Dietary Supplement Lab Verified A Brighter Way Since 1973, we've scoured the globe for the highest quality ingredients, connecting you with the most efficacious supplements that help you live brighter and embrace the moments that matter most. Calcium and magnesium are intended to provide nutritive support for healthy bones, teeth, and muscle. A special base of herbs has been included for additional nutritive support.