As I’ve mentioned before, you won’t find a corn-free commercial probiotic supplement. If you do, I would LOVE to hear about it, but so far I have not.
Now, that does not mean that you can’t have probiotics. You can make your own. People always look at me funny when I say that. I think it’s because they don’t understand what probiotics are. They are microorganisms that live in your gut. Yes, they are little bugs, but the good kind. I know people think that because the usual probiotic supplement comes in a pill format it must be dead and sterile, but actually they’re just hella lab-processed versions of something you can *totally* do yourself, and control the ingredients on.
Lots of people are concerned about the safety of home ferments, and you do need to exercise basic caution. You need to use clean equipment and follow instructions until you really understand what you are doing. If you have a mold problem in your home, meaning lots of pesky aspergillus spores floating around, you probably want to reconsider wild fermentation. Definitely do your own research on safety in home ferments, but my reading tells me that that home ferments are pretty safe.
Here’s the round-up of probiotic foods and beverages you can make yourself at home. This is *not* a how-to post- you can find all kinds of videos and blog posts about how to actually make these ferments all over the internet. This is just a rundown of the options out there to give you an idea of what might work for you and what you are interested in researching.