 Therefore, you're not absorbing all those nutrients and helping the immune system to function better. And there's reasons why over the years I have avoided freeze-dried powders because I'm just so worried. Are they going to wake up? Did they come with their own food supply? So I'm glad we're having this. Now, what about the prebiotics? I think those are fairly new for people to hear about in the last couple of years. Yes, the prebiotics are the food that help the probiotics to thrive.