‘Stop the Insanity!’ ‘90s Fitness Guru Susan Powter Lost Empire Worth Millions and Survived by Delivering Grubhub: 'Scary as S---' (Exclusive)
In the '90s, Powter's wellness program sold $50 million annually, but she reveals to PEOPLE she's been struggling to survive. Now Powter, 66, has written a memoir and is ready to relaunch her fitness brand.