Is there anything I could get for Willie that’s a natural probiotic like yogurt is a natural probiotic for people? I do know I can’t give him yogurt just using that as an example. wondering if there’s anything I could get that’s natural for birds? I looked at a Nekton brand for birds but I would have to waste a lot of it because I have just one bird. The directions for the Nekton one makes a big batch and I don’t need a big batch. I just want to give him something once in a while. I’ve heard about apple cider vinegar but I believe it’s not really a probiotic I think it just kills the bacteria.