alexa The Effect of 28 Days of Beta-alanine Supplementation o
ISSN 2473-6449

Sports Nutrition and Therapy
Open Access

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Research Article

The Effect of 28 Days of Beta-alanine Supplementation on Exercise Capacity and Insulin Sensitivity in Individuals with Type 2 Diabetes Mellitus: A Randomised, Double-blind and Placebo-controlled Pilot Trial

Nealon RS*, Sukala WR, Coutts RA and Zhou S

Southern Cross University, Lismore, NSW, Australia

*Corresponding Author:
Rhenan Nealon
Southern Cross University
Lismore,NSW, Australia
Tel: 6126659 3777
E-mail: [email protected]

Received Date: January 20, 2016; Accepted Date: September 28, 2016; Published Date: October 05, 2016

Citation: Nealon RS, Sukala WR, Coutts RA, Zhou S (2016) The Effect of 28 Days of Beta-alanine Supplementation on Exercise Capacity and Insulin Sensitivity in Individuals with Type 2 Diabetes Mellitus: A Randomised, Double-blind and Placebo-controlled Pilot Trial. Sports Nutr Ther 2: 111. doi: 10.4172/2473-6449.1000111

Copyright: © 2016 Nealon RS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Objective: To determine the effects of 28 days of BA supplementation on exercise capacity as measured by time to volitional failure during an incremental treadmill test in individuals with T2DM. Methods: Participants undertook a modified Naughton treadmill test to assess exercise capacity and a fasting blood test before and after the supplementation period. Participants consumed four grams of BA (n=7) per day or the equivalent amount of maltodextrin (n=5) for 28 days and maintained their lifestyle habits during the supplementation period. Results: Twenty-eight days of BA supplementation significantly increased the time to volitional failure during the treadmill exercise test by m=135.2, SD=(± 81.3) seconds (21%), p=0.001, as detected by general linear model analysis with repeated measures. There was significant interaction of pre to post by group in fasting blood glucose, p=0.046. A strong negative correlation was found between the changes in the time to volitional failure during exercise testing and the changes in fasting blood glucose in the beta-alanine treatment group, r=− 0.92, p<0.01. Conclusion: This study has provided new evidence that BA supplementation can increase exercise capacity in individuals with T2DM.

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