UnWined Wine Tasting Tablets for People Who Get Purple Teeth! Drink your reds, keep your whites! Introducing UnWined® teeth whitening tablets. Designed for people who get purple teeth from drinking red wine. They are the easiest way to remove red wine stains from your teeth! The discreet tablets are flavorless and won't alter taste of the wine. They quickly dissolve in your mouth and can be used on the go! Each packet contains eight tablets.