A new podcast is investigating a billion dollar New Zealand supplement company and its founder's murky past.
Chris Ashenden is the founder of AG1, a green drinking powder, which has been endorsed by bigtime celebrities like Joe Rogan.
The podcast, called Powder Keg, is presented by Newsroom's managing editor, Jonathan Milne, and is the culmination of a year-long investigation.
He joins Emile Donovan.