Federal Investigators Asked to Look at Chemical Dosing by StarbucksHIGH POINT, NC / ACCESSWIRE / November 21, 2022 / North Carolina officials have alerted Puroast® Coffee Company Inc. that its complaint, alleging Starbucks Corporation is adding high levels of potassium to some of its coffee labeled "100% Arabica Coffee," has been forwarded to the U.S. Food and Drug Administration (FDA) for further investigation.Puroast Coffee, which is ...