ECP #9 - Supplement CHECK - BCAA: Segen oder Fluch?

Das sehr häufig verwendete Nahrungsergänzungsmittel BCAA hat nun wieder einen besonderen Hype in der Fitness und Bodybuildingszene erfahren, daher stellen wir uns die Frage ob dieser Hype gerechtfertigt ist oder ob BCAA-Produkte doch wieder nur unnötige Supplemente sind. Quellen: Churchward-Venne, T. A. et al., 2012. Supplementation of a suboptimal protein dose with leucine or essential amino acids: effects on myofibrillar protein synthesis at rest and following resistance exercise in men. Journal of Physiology, June, 590(11), pp. 2751-2765. Jackman, S. R. et al., 2017. Branched-Chain Amino Acid Ingestion Stimulates Muscle Myofibrillar Protein Synthesis following Resistance Exercise in Humans. Frontiers in Physiology, 7 June.8(390). Karlsson, H. K. R. et al., 2004. Branched-chain amino acids increase p70S6k phosphorylation in human skeletal muscle after resistance exercise. American Journal of Physiology - Endocrinology and Metabolism, 10 Junge, 287(1), pp. E1-E7. Moberg, M. et al., 2014. Absence of leucine in an essential amino acid supplement reduces activation of mTORC1 signalling following resistance exercise in young females. Journal of Applied Physiology: Nutrition and Metabolism, 39(2), pp. 183-194. Sharp, C. P. M. & Pearson, D. R., 2010. Amino Acid Supplements and Recovery from High-Intensity Resistance Training. Journal of Strength & Conditioning Research, April, 24(4), pp. 1125-1130. Witard, O. C. et al., 2014. Myofibrillar muscle protein synthesis rates subsequent to a meal in response to increasing doses of whey protein at rest and after resistance exercise. American Journal of Clinical Nutrition, January, 99(1), pp. 86-95.