Aug. 23, 2009 / by em / 10 Comments
Here’s a fun fact! Did you know that Pepto Bismol can give you a black tongue?? “The active ingredient in Pepto-Bismol contains bismuth. When a small amount of bismuth combines with trace amounts of sulfur in your saliva and gastrointestinal tract, a black-colored substance (bismuth sulfide) is formed. This discoloration is temporary and harmless. It [...]
