Substance That Stimulates Good Digestive Bacteria

This page is the CodyCross answer for the clue below from All Things Water, Group 1286, Puzzle 1 (Moon Jellyfish).

Question is: Substance That Stimulates Good Digestive Bacteria

and the answer is: PROBIOTIC

Word Meaning:

PROBIOTIC — (bacteriology) A food or dietary supplement, such as a yogurt, containing live bacteria for therapeutic reasons.

Definitions from Wiktionary.