"Natural health" is an umbrella term for vitamins, homeopathic remedies, and all alternative medicine. It is a rapidly growing market, with recorded sales amounting to USD $15 billion back in 2012. Industry experts believe that the natural health industry will be a trillion-dollar trade by 2017.

Part of the industry's popularity is due to availability. Natural health products are available online, and can be purchased over the counter without need of a prescription. Still, consumers...