You know what Paula? Since they are doing well - I would scratch our last PM. I'm sending you those enzymes, so those might help too. So, I'm almost thinking you should save your money and not buy anything else online - and see how they do for a couple weeks. If they do well, great. And in the meantime, just keep an eye out for a better probiotic at a local health food store in your area when you have time - the one you're giving will be just fine in the interim. If after 2 weeks, there is still gas/digestive stuff going on - then maybe add additional support. I only say this bc I'd hate to see you add too much at once, if it's not necessary and they're improving. But, totally up to you. I know your vet bills must be atrocious lately.