I think Boiron and Hyland are pretty trustworthy, but I agree that maybe there are questionable manufacturers out there. The same applies to supplement manufact

I think Boiron and Hyland are pretty trustworthy, but I agree that maybe there are questionable manufacturers out there. The same applies to supplement manufacturers, but that's a whole another chapter of this discussion! I recently found (thanks to my ConsumerLab subscription) that one of the leading vendors of organic raw cacao actually had pretty high levels of cadmium (way above the norm) and I've read in the news feeds that even strictly controlled pharmaceuticals have recalls, so, it's all a matter of luck.