Even if you’re the type of person who doesn’t believe that herbal supplements will cure your cold or ease your depression, you still might find yourself grabbing for a few bottles in the pharmacy when you’re stuffed up or feeling down. After all, there’s no downside. Well, maybe there is. A new study found that many herbal supplements are not what they seem. “Pills labeled as popular herbs were often diluted — or replaced entirely — by cheap fillers like soybean, wheat and rice.”