I bought this one too, I think it's fine.. as fine as taking animal meds can be. It's very acidic, but I do believe it's pure. I notice nausea and dizziness, but I'm taking both Valbenza and Prazi.
If you have candida, you really need to get rid of parasites, I'm in the same boat. No matter how I strive to eliminate candida, it won't happen as long as the parasites are present.