Shopping for probiotics

What probiotics do you recommend?

What is Probiotic Yeast? I thought yeast is bad for you causes yeast infections, thrush, fungal infection, candida albicans yeast overgrowth.

There's this probiotic yeast I'm wondering is that safe for someone who suffers from yeast to take?

What other brands do you recommend?

Is saccharomyces boulardii mos safe? Is bio-mos safe to take