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Get Fit Like a Fighter: A Deeper Look at Protein and BCAAs

by Dr. Anita DelPrete on May 05, 2017

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As previously discussed in Get Fit like a Fighter © protein is made up of smaller building blocks called amino acids. There are twenty amino acids that fall into two primary categories: essential and non-essential.  Non-essential amino acids can be synthesized by the body however, just like essential fatty acids, essential amino acids must be obtained through diet and nutrition. 


For athletes and fitness enthusiasts, Branched Chain Amino Acids (BCAAs) are often an integral part of training.  BCAAs are proteinogenic (protein creating) amino acids named for their branched structure.  Specifically, the branched chain amino acids are Leucine, Isoleucine and Valine. These amino acids are gaining notoriety in the world of sports nutrition. 


BCAA supplementation has been reported to decrease exercise induced muscle degradation that may occur during intense training by stimulating protein synthesis. [1] [2] Research also suggests that it may help delay the onset of fatigue as well a support and strengthen the immune system. [3]  Dietary sources are meat, dairy and legumes.  In addition to a healthy diet, there are BCAA supplements that can be used for additional supplementation. 




[1] Kreider, RB, Wilborn, CD, Taylor, L, Campbell, B, Almada, AL, Collins, R,
 Cooke, M, Earnest, CP, Greenwood, M, Kalman, DS, Kerksick, CM, Kleiner, SM, Leutholtz, B, Lopez, H, Lowery, LM, Mendel, R, Smith, A, Spano, M,
 Wildman, R, Willoughby, DS, Ziegenfuss, TN, Antonio, J.  “ISSN Exercise & Sport Nutrition Review: Research and Recommendations.”  J.of the Int. Soc. Sports Nut.  7:7 1-43, 2010.


[2] Biomstrand, E, Eliasson, J, Karlson, HK, Konnke, R.  “Branched-chain amino acids activate key enzymes in protein synthesis after physical exercise.  J of Nutrition  136 (1 suppl) (2006): 269S-273S.


[3] Negro, M, Giardina, S., Marzani, B, Marzatico, F.  “Branched-chain amino acid supplementation does not enhance athletic performance but affects muscle recovery and the immune system.”   J of Sports Phy Fit  48:3 (2008): 347-351.

Dr. Anita DelPrete

Dr. Anita DelPrete

Dr. Anita DelPrete is an author, lecturer and the nutrition specialist for Jackson-Wink MMA Academy fighters. Her program, Nutrition for the Fierce Athlete®, combines nutritional education with customized plans focused on optimizing an athlete’s health as well as performance. For over 15 years she has been educating people on the critical role of nutrition with respect to health and disease prevention. Her book A Wellness Revolution: It Starts with You! examines habits that have opened doors to sickness and disease resulting a health crisis and obesity epidemic in the US.

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