In Season 7, Episode 1, Marc chats with Dr. Daniel Owens, PhD on vitamin D and athletic performance, Jozo Grgic, MSc on caffeine and resistance training, and Dr. Eric Trexler, PhD on tracking body composition in football players over a full playing season and application of the fat-free mass index for guiding athlete nutrition and training.  ... FOLLOW DR BUBBS: Instagram: https://www.instagram.com/drbubbs/ Twitter: twitter.com/DrBubbs​​​​​​​ YouTube: https://www.youtube.com/channel/UC-jYKOZ4ZzlAJfVexEp0NtQ Website: DrBubbs.com Website: AthletePerformanceNutrition.com --> Performance nutrition online courses   BOOKS: PEAK: The New Science of Athletic Performance That Is Revolutionizing Sport (#1 BEST SELLER)  PEAK40: The New Science of Midlife Health for a Leaner, Stronger Body and Sharper Mind