If soda grew on trees, it’d be Culture Pop. Crafted with organic fruit juice, organic herbs and spices, and a live probiotic — Culture Pop tastes as real as its ingredients. Culture Pop is unlike any soda you’ve had before — no refined sugars, no sweeteners like stevia, monk fruit, or aspart... Read more
You can also try probiotic sodas, which contain live beneficial bacteria.
I found these on Amazon.