As the deputy editor who oversees Forbes Vetted’s beauty vertical, I gathered the best teeth whitening kits based on recommendations from dentists and insights from four staff testers.

You can request test kits online, but you may still need to visit a clinic to take a blood sample. If you receive an abnormal test result, the testing company will refer you to a doctor for a CT scan.

"We have been working closely with the Administration and are well prepared to accept and deliver test kits on the first day the program launches," Postmaster General Louis DeJoy said in a statement.