"Four out of five of the herbal supplements tested contained none of the labelled ingredients" The media love to pounce on findings that indicate supplements don't work, in order to decry the whole of the supplement industry. There is no doubt that, with such a confusing array of nutritional and herbal supplements available online, in healthfood stores, and even on supermarket shelves, it's difficult to know which ones are worth the money. And because the industry is unregulated (or self-regulated) there are a great many supplements that are substandard, ineffective or even harmfully contaminated. So how do you identify [...]