Gsd Mode

GSD Mode Private Facebook Group - http://www.facebook.com/groups/gsdmode   Episode 03- Supplement talk. Jay Campbell is the best selling author of The Definitive Testosterone Replacement Therapy MANual, a 16 year TRT patient and respected thought leader on Hormonal Optimization. Jim Brown is a fitness coach with 30 years of body-building experience and co-owner of a health supplement store.