This sounds a bit alarmist. So the chief medical officer of the company is also the editor-in-chief of the journal they publish in? And the paper is about the

This sounds a bit alarmist. So the chief medical officer of the company is also the editor-in-chief of the journal they publish in? And the paper is about the rapid release of tylenol, not about the cancerous effects of ranitidine? Bear in mind this company makes money by testing regular medications and assuring their drug content and safety - they have a financial motivation to find problems in available medications. This is not to say that production standards may not be ideal for medications, but it does mean one should be skeptical of their claim. Alarmism is popular in health. Look at the removal of vaping products, despite studies demonstrating their general safety. As if the risks of smoking aren't already known and fairly major.