[user070223]

Thought Emporium entire channel is a goldmine

Here's another youtuber journey to fix the lactose intolerance by just eating lactose(powdered milk)("prebiotic") which had strains of a bacteria("probiotic" which feasts on the prebiotic) that breaks down lactose survives in the microbiome https://www.youtube.com/watch?v=h90rEkbx95w