One reason the $70 billion supplement industry is set to double in the next seven years? Lax regulation. On today's show, we tell the story of a century-long battle between the U.S. government and … you , the people, blinded by your love of a magic pill. We’re talking about protein powders, pre-workouts, creatine, stuff for gut health, joint health, vitamin C, turmeric supplements. All that. You…