Earth Metal, Ba, Is the Basis of Medical "meals"

This page is the CodyCross answer for the clue below from Night Life, Group 1757, Puzzle 2 (Plan Breakfast).

Question is: Earth Metal, Ba, Is the Basis of Medical "meals"

and the answer is: BARIUM

Word Meaning:

BARIUM — The chemical element (symbol Ba) with an atomic number of 56. It is a soft, reactive, silvery alkaline earth metal.

Definitions from Wiktionary.