Yes and the ads are carefully crafted to stay within the law. It's not a drug; it's a dietary supplement that may help with your condition, but (small print) it

Yes and the ads are carefully crafted to stay within the law. It's not a drug; it's a dietary supplement that may help with your condition, but (small print) it wasn't officially evaluated and it's doesn't replace a treatment. Technically true and legal, but it's not what the customer think it is. Overall it's a net negative for the individual customer and society at large.