Is Pepto-Bismol Just Bismuth? Deconstructing the Pink Medication's Active Ingredient
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4 min read
The well-known pink color of Pepto-Bismol was originally chosen to make the medicine more appealing to children. Its effectiveness, however, comes not from just bismuth, but from its primary active ingredient, bismuth subsalicylate. This article explores the components and multiple mechanisms of action behind this popular over-the-counter remedy.