Here’s a post by able about vitamin brand ratings:
My favorite american brands include thorne research, integrative thereaputics, solgar, natures way, and standard process. I believe standard process is a european brand but their products are a bit different than most vitamin brands.
For probiotics, get a high strain(10+ strains) high count(over 30 billion) probiotic; if you can find one that contains the DDS-1 strain its the best for fighting candida.
Here’s ables probiotic post: