
08 September 2025
Ep. 144 | Caffeine - Coffee vs Green Tea vs Energy Drinks
The Energy Fitness Podcast
About
Ep. 144 | Caffeine - Coffee vs Green Tea vs Energy Drinks
Sponsors
- U.S. FDA. Spilling the Beans: How Much Caffeine is Too Much? (400 mg/day guidance; variability; concentrated caffeine warning). ISSN Position Stand: Caffeine and Exercise Performance (effective doses 2–6 mg/kg; timing; side effects at high doses).  ISSN Position Stand: Energy Drinks & Energy Shots (primary effects are from caffeine/carbohydrate; performance notes).  Drake et al., J Clin Sleep Med 2013 (caffeine 0/3/6 h pre-bed impairs sleep).  Poole et al., BMJ 2017 Umbrella Review (coffee consumption & health outcomes—associations). Killer et al., PLoS ONE 2014 (coffee vs water—no dehydration with moderate intake).  AAP Clinical Report 2011 (energy drinks inappropriate for children/adolescents).  ACOG Committee Opinion (≤200 mg/day in pregnancy).   Owen et al., Nutritional Neuroscience 2008 (caffeine + L-theanine improves attention/task switching).