Trap five: Beware of products whose claimed health effects change over time In order to appear novel, many dietary supplements are hastily put on the market without first being properly tested. If later found to be ineffective, a new selling point may be used to promote the product.
陷阱五、保健「功效變變變」？為了創造新鮮感，許多保健食品未經嚴格測試就匆促推出，發現不對後又另想新賣點。