[senior citizen]

Strong bones and healthy teeth need calcium..........and phosporous....etc.
Dairy is a rich source of calcium but so is plant food..........

What Type Of Vitamin Is Needed With Calcium To Promote Strong Bones & Teeth? | LIVESTRONG.COM

How To Regulate Calcium And Phosphorus Ratio | LIVESTRONG.COM

Calcium in diet: MedlinePlus Medical Encyclopedia