The majority of dietary supplement facilities tested were found noncompliant with good manufacturing practices guidelines. “The U.S. public is not well protected ” by current dietary supplement recommendations, an issue I explore in my video Dangers of Dietary Supplement Deregulation . Sometimes, there is too little of whatever’s supposed to be in the bottle, and other times, there’s too much, as I discussed in my video Black Raspberry Supplements Put to the Test . In one case, as you can see at 0:20 in my video , hundreds of people suffered from acute selenium toxicity, thanks to an “employee error at one of the ingredient suppliers.” Months later, many continued to suffer. Had the company been following good manufacturing practices, such as testing their ingredients, this may not have happened. In 2007, the FDA urged companies to adhere to such guidelines, but seven years later, the majority of dietary supplement facilities remained noncompliant with current good ...