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Meta-Analysis: Could Energy Drinks be All About Taurine? Taurine, not Caffeine Predicts Performance Enhancement

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While almost all energy drinks appear to have it, the evidence that taurine adds to the effects of caffeine has hitherto been unconvincing. Does this change with the latest study by a group of researchers from Brazil and Spain? Energy drinks (ED) are all about caffeine, right? I have to admit. If you had asked me before I've read the latest study from the Londrina State University in Brazil and the Camilo José Cela University in Spain, I would have answered this question in the affirmative. I mean, come on... the strange add-ons the producers mix into their drinks have but one purpose: distinguish drink X from drink Y and, even more importantly, the healthier competition of plain coffee. The fact that Souza, et al. observed in their latest meta-analysis that "a signifcant association between taurine dosage (mg) and performance (slope = 0.0001; p = 0.04), but not between caffeine dosage (mg) and performance (slope = 0.0009; p = 0.21)," caught my attention. You can...
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Load Carrying Cardio Doesn't Affect Muscle Protein Flux While Intra-Workout EAA Reduces Protein Breakdown and Bumps Nitrogen Balance From Zero to Plus 50µmol/kg/h

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While this picture shows loaded cardio in its most beautiful form, the study investigated loaded cardio on the treadmill and compared it (for questionable reasons) to non-loaded cardio on a stationary bike and guess what: Both burn the same amount of muscle - NET: Zero! Carrying a (heavy) load during cardio? Sounds dumb? Well, that's however, how the real world looks like. Not just soldiers who are carrying armor and a heavy backpack in the field, but also hikers will attest to the fact that doing "cardio" with a weight on your shoulders or elsewhere is more natural than running around in the park with your mobile and ear-plugs as the only load you're carrying on top of your ultra-light runners clothing. With that being said, it is actually quite astonishing that Stefan M. Pasiakos and colleagues from the  Military Nutrition Division at the US Army Research Institute of Environmental Medicine in Natick are the first to take a look at the muscle anabolic and ca...
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