It’s the right molybdenum, but it only contains 50mcg per serving. You need to take a lot of pills before you will notice an effect. (750 mcg is the dose you have to take if you are experiencing die off.)
Furthermore, NAC contains a sulphur containing amino acid- N-Acetyl Cysteine, which bad for a candida overgrowth. Some people here have had good reactions on it, but I haven’t tried it so far.
Here is a little discussion: http://www.thecandidadiet.com/forum/yaf_postst7281_NAC-Sulphur–Bad-for-Candida.aspx