“Probiotic” mostly refers to substances like yogurt that actually contain live beneficial microbes.
“Antibiotic” mostly refers to substances that are based on the ones produced by one microbe (like a Penicillium mold) to attack a different microbe (like an infectious bacterium).
So, both involve the action of microbes to help you; the difference is that one you want to cultivate in your guts, and the other you want to help fight off other microbes.
“Probiotic” mostly refers to substances like yogurt that actually contain live beneficial microbes.
“Antibiotic” mostly refers to substances that are based on the ones produced by one microbe (like a Penicillium mold) to attack a different microbe (like an infectious bacterium).
So, both involve the action of microbes to help you; the difference is that one you want to cultivate in your guts, and the other you want to help fight off other microbes.