A pill’s imprint code can be made up of any single letter or number, or any combination of letters, numbers, marks, or symbols. It might include words, the drugmaker’s name, or other details.

And if he succeeds, the answer could come in the form of a little yellow pill called Protandim. The University of Colorado at Denver biochemistry professor has conducted decades of experiments ...

Pill-testing service CanTEST said the substance was detected in yellow, circular tablets that had no markings or stamps. It is the first time a nitazene has been found in counterfeit tablets in ...