That study looked at the weight loss "supplements" they sell in gas stations and delis... not at vitamins that probably the vast vast majority of readers here b

That study looked at the weight loss "supplements" they sell in gas stations and delis... not at vitamins that probably the vast vast majority of readers here buy. It's really not applicable here at all. A good source for info on this sort of thing is [Labdoor](https://labdoor.com https://labdoor.com), they're not funded by any vitamin company and they perform rigorous testing on samples taken from consumer outlets.