Is it safe to give human probiotics to cats?

Is it safe to give human probiotics to cats? I had them on Forti Flora for a little while but it seemed to upset my Panda's tummy. She was diagnosed with lymphosarcoma of the GI tract May 2014 and I so grateful and happy to say that she is cancer free due to emergency surgery May 2014 to remove part of her intestine that was necrotic due to the cancer and a daily dose of DMG liquid (maitake mushroom), to boost her immune system, for 11 months. In April 2015 we did another ultrasound and NO CANCER!!!! I also performed Reiki on her and spoke words of healing over her daily. I am a total believer in the power of natural medicine and want to know if the probiotics that I take might be good for her as well?

I would just call the vet if I were you and make sure. That's generally something a vet would be happy to advise on over the phone.

Yes. Several members here use this probiotic. I also use it for all of my cats and kittens. You might want to look around in the raw and home-cooked forum as there lots of natural suggestions for cats with special needs.