¹ Kolasa K.M. et al (2009). Hydration and health promotion. Nutrition Today 44, 190-203
² Ganio M.S. et al (2007). Evidence-based approach to lingering hydration questions. Clinical Sports Medicine 26, 12-16.
³ Neuhauser-Berthold M. et al (1997). Coffee consumption and total body water homeostasis as measured by fluid balance and bioelectrical impedance analysis. Ann. Nutr. Metab. 41, 29-36.
⁴ Grandjean A.C. et al (2000). The effect of caffeinated, non caffeinated, caloric and non caloric beverages on hydration. Journal of American College of Nutrition, 19, 591-600.
⁵ Maughan R.J. et al (2003). Caffeine ingestion and fluid balance: a review. Journal of Human Nutrition Dietetic, 16, 411-420.
⁶ Armstrong L.E. et al (2005). Fluid, electrolyte, renal indices of hydration during 11 days of controlled caffeine consumption. International Journal of Sport Nutrition and Exercise Metabolism 15, 252-265.
⁷ Popkin B.M. et al (2006). A new proposed guidance system for beverage consumption in the United States. American Journal of Clinical Nutrition, 83, 529-542.
⁸Armstrong L.E. (2002). Caffeine, body fluid-electrolyte balance, and exercise performance. International Journal of Sport Nutrition and Exercise Metabolism 12, 205-222.
⁹ Ganio M.S. et al (2009). Effect of caffeine on sport-specific endurance performance: a systematic review. Journal of Strength and Conditioning Research.
¹⁰ Goldstein E.R. et al (2010). Caffeine enhances upper body strength in resistance trained athletes. Journal of the International Society of Sports Nutrition, 7 :5.
¹¹ Amstrong L.E. et al (2007). Caffeine, fluid-electrolyte balance, temperature regulation, and exercise heat tolerance. Exercise and Sport Sciences Reviews, 35, 135-140.