Increased carbohydrate oxidation after ingesting carbohydrate with added protein

Medicine and Science in Sports and Exercise
James A BettsKostas Tsintzas

Abstract

To examine the metabolic impact of including protein in a postexercise carbohydrate supplement when ingested between two bouts of prolonged running performed within the same day. Six healthy men participated in two trials separated by 14 d, each involving a 90-min treadmill run at 70% VO2max followed by 4 h of recovery and a subsequent 60-min run at the same intensity. At 30-min intervals during recovery, participants ingested either a solution containing 0.8 g.kg(-1)h(-1) of carbohydrate (CHO) or the same solution plus an additional 0.3 g.kg(-1)h(-1) of whey protein isolate (CHO-PRO). Muscle biopsies were obtained from the vastus lateralis at the beginning and end of the recovery period, with a third muscle biopsy taken following the second treadmill run. Despite higher insulinemic responses to the CHO-PRO solution than to the CHO solution (P < 0.05), rates of muscle glycogen resynthesis during recovery were not different between treatments (CHO = 12.3 +/- 2.2 and CHO-PRO = 12.1 +/- 2.7 mmol glucosyl units per kilogram of dry mass per hour). Furthermore, there were no differences between treatments in muscle glycogen degradation during subsequent exercise (CHO = 2.2 +/- 0.3 and CHO-PRO = 2.0 +/- 0.1 mmol glucosyl units per kil...Continue Reading

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Citations

Sep 22, 2009·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·James A BettsDylan Thompson
Oct 18, 2011·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Abdullah F Alghannam
Nov 24, 2011·Journal of the International Society of Sports Nutrition·Tsong-Rong JangChen-Kang Chang
Jun 11, 2011·Journal of Sports Sciences·Louise M BurkeAsker E Jeukendrup
Nov 17, 2009·Medicine and Science in Sports and Exercise·Naomi M CermakMartin J Gibala
Oct 14, 2011·Journal of Strength and Conditioning Research·Kim J Spaccarotella, Walter D Andzel
Jul 22, 2015·Medicine and Science in Sports and Exercise·Abdullah F AlghannamJames A Betts
Jul 21, 2016·American Journal of Physiology. Endocrinology and Metabolism·Javier T GonzalezLuc J C van Loon
Jul 1, 2011·Current Sports Medicine Reports·Michael John Saunders
Sep 29, 2011·Medicine and Science in Sports and Exercise·David Stephen Rowlands, Daniel P Wadsworth
Feb 29, 2020·International Journal of Sport Nutrition and Exercise Metabolism·Campbell MenziesJames A Betts
Aug 23, 2020·Medicine and Science in Sports and Exercise·Lee M MargolisStefan M Pasiakos
Oct 28, 2020·European Journal of Applied Physiology·Daniel A Baur, Michael J Saunders
May 28, 2021·International Journal of Sports Physiology and Performance·Isabella RussoRicardo J S Costa
Jun 3, 2021·International Journal of Environmental Research and Public Health·Abdullah F AlghannamMaha H Alhussain

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