There is a fine line between being lied to in order to make a sell or if a product is good or bad. In todays market the theives are every where. Those that are able to read and understand soon learn they don't need to buy anything bust orange juice from their local store.
Those that want to learn about health learn about the traps and how to avoid them. It is easy to become a victim when doing business on the internet stores and with any company that makes/sells health products.