Category: Everyday Science | Last updated: 2026-09-18
What are probiotics?
A) Harmful bacteria that cause illness
B) Live beneficial bacteria that support gut health
C) A type of antibiotic
D) Artificial vitamins
Explanation
Probiotics are live microorganisms (good bacteria) that provide health benefits when consumed. They support gut health, digestion, and immune function. Found in yogurt, kefir, and fermented foods.