Today on The Weeds, we are sharing an episode of another Vox podcast, Unexplainable, that originally aired in June 2022. Millions of Americans take dietary supplements — everything from vitamins and minerals to weight-loss pills and probiotics. But because supplements are loosely regulated in the US, their makers don't have to prove that they work, or even that they are safe. Full transcript available here. Want to support The Weeds? Please consider making a donation to Vox: bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices