Supplement manufacturing expert & Natural Stacks CEO, Roy Krebs, is today's guest interview. Roy shares some of his top tips on why consumers should know where their supplement ingredients are coming from & how they are being tested for quality. He helps to explain the idea behind open source supplements and why Natural Stacks were the first company to do this. We also go into the usage protocols of some of the nootropics and supplements from Natural Stacks like their new Myco range. Go to the show notes for episode 11 at https://www.biohackerslab.com/ep11-roy-krebs/ for more links and highlights.