Probiotics discovered in salad leaves (but only the ones grown in earth NOT verticals)

So make sure you buy the ones with soil on them for healthy gut and immune system...

Rocket leaves grown in vertical farms like these were tested in the study for health-enhancing probiotic lactic acid bacteria. But none were detected - probably because the environment is too clean.

Eating fermented vegetables or taking supplements are the usual way most of us get our probiotics. But Italian scientists are now saying that green leafy veg…