Importantly, these symptoms resolve with discontinued use. Taking every Univera product in multiple doses will provide less than 200 mg of licorice per day. According to the PDR, you would have to take a hundred times this amount to have an effect on your potassium levels or blood pressure.
For decades, people have been trying to figure out a sales angle for pearl dust. I've been approached a dozen times to invent a story that will stick and there just isn't one. You see, pearl dust is a by-product of the pearl industry. Every hole drilled in a pearl produces a certain amount of dust. In addition, imperfect pearls are ground up. This material then is essentially free, so people naturally try to make money selling it. This is a scam like the other pearl stories. Yes it is true that oyster DNA controls the process of bone formation which is controlled by your DNA. There is NO ADVANTAGE of eating pearl dust over any other form of calcium.