Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery
In a double-blind, randomized and crossover manner, 25 resistance-trained participants ingested a placebo (PLA) beverage containing 12 g of dextrose and a beverage (RTD) containing caffeine (200 mg), β-alanine (2.1 g), arginine nitrate (1.3 g), niacin (65 mg), folic acid (325 mcg), and Vitamin B12 (...
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doaj-d756138cd0e74fbd85947a42a73a46db2020-11-24T23:19:45ZengMDPI AGNutrients2072-66432017-08-019882310.3390/nu9080823nu9080823Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and RecoveryP. Blaise Collins0Conrad P. Earnest1Ryan L. Dalton2Ryan J. Sowinski3Tyler J. Grubic4Christopher J. Favot5Adriana M. Coletta6Christopher Rasmussen7Mike Greenwood8Richard B. Kreider9Exercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAExercise and Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USAIn a double-blind, randomized and crossover manner, 25 resistance-trained participants ingested a placebo (PLA) beverage containing 12 g of dextrose and a beverage (RTD) containing caffeine (200 mg), β-alanine (2.1 g), arginine nitrate (1.3 g), niacin (65 mg), folic acid (325 mcg), and Vitamin B12 (45 mcg) for 7-days, separated by a 7–10-day. On day 1 and 6, participants donated a fasting blood sample and completed a side-effects questionnaire (SEQ), hemodynamic challenge test, 1-RM and muscular endurance tests (3 × 10 repetitions at 70% of 1-RM with the last set to failure on the bench press (BP) and leg press (LP)) followed by ingesting the assigned beverage. After 15 min, participants repeated the hemodynamic test, 1-RM tests, and performed a repetition to fatigue (RtF) test at 70% of 1-RM, followed by completing the SEQ. On day 2 and 7, participants donated a fasting blood sample, completed the SEQ, ingested the assigned beverage, rested 30 min, and performed a 4 km cycling time-trial (TT). Data were analyzed by univariate, multivariate, and repeated measures general linear models (GLM), adjusted for gender and relative caffeine intake. Data are presented as mean change (95% CI). An overall multivariate time × treatment interaction was observed on strength performance variables (p = 0.01). Acute RTD ingestion better maintained LP 1-RM (PLA: −0.285 (−0.49, −0.08); RTD: 0.23 (−0.50, 0.18) kg/kgFFM, p = 0.30); increased LP RtF (PLA: −2.60 (−6.8, 1.6); RTD: 4.00 (−0.2, 8.2) repetitions, p = 0.031); increased BP lifting volume (PLA: 0.001 (−0.13, 0.16); RTD: 0.03 (0.02, 0.04) kg/kgFFM, p = 0.007); and, increased total lifting volume (PLA: −13.12 (−36.9, 10.5); RTD: 21.06 (−2.7, 44.8) kg/kgFFM, p = 0.046). Short-term RTD ingestion maintained baseline LP 1-RM (PLA: −0.412 (−0.08, −0.07); RTD: 0.16 (−0.50, 0.18) kg/kgFFM, p = 0.30); LP RtF (PLA: 0.12 (−3.0, 3.2); RTD: 3.6 (0.5, 6.7) repetitions, p = 0.116); and, LP lifting volume (PLA: 3.64 (−8.8, 16.1); RTD: 16.25 (3.8, 28.7) kg/kgFFM, p = 0.157) to a greater degree than PLA. No significant differences were observed between treatments in cycling TT performance, hemodynamic assessment, fasting blood panels, or self-reported side effects.https://www.mdpi.com/2072-6643/9/8/823resistance trainingdietary supplementsport nutritionergogenic aid |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
P. Blaise Collins Conrad P. Earnest Ryan L. Dalton Ryan J. Sowinski Tyler J. Grubic Christopher J. Favot Adriana M. Coletta Christopher Rasmussen Mike Greenwood Richard B. Kreider |
spellingShingle |
P. Blaise Collins Conrad P. Earnest Ryan L. Dalton Ryan J. Sowinski Tyler J. Grubic Christopher J. Favot Adriana M. Coletta Christopher Rasmussen Mike Greenwood Richard B. Kreider Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery Nutrients resistance training dietary supplement sport nutrition ergogenic aid |
author_facet |
P. Blaise Collins Conrad P. Earnest Ryan L. Dalton Ryan J. Sowinski Tyler J. Grubic Christopher J. Favot Adriana M. Coletta Christopher Rasmussen Mike Greenwood Richard B. Kreider |
author_sort |
P. Blaise Collins |
title |
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery |
title_short |
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery |
title_full |
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery |
title_fullStr |
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery |
title_full_unstemmed |
Short-Term Effects of a Ready-to-Drink Pre-Workout Beverage on Exercise Performance and Recovery |
title_sort |
short-term effects of a ready-to-drink pre-workout beverage on exercise performance and recovery |
publisher |
MDPI AG |
series |
Nutrients |
issn |
2072-6643 |
publishDate |
2017-08-01 |
description |
In a double-blind, randomized and crossover manner, 25 resistance-trained participants ingested a placebo (PLA) beverage containing 12 g of dextrose and a beverage (RTD) containing caffeine (200 mg), β-alanine (2.1 g), arginine nitrate (1.3 g), niacin (65 mg), folic acid (325 mcg), and Vitamin B12 (45 mcg) for 7-days, separated by a 7–10-day. On day 1 and 6, participants donated a fasting blood sample and completed a side-effects questionnaire (SEQ), hemodynamic challenge test, 1-RM and muscular endurance tests (3 × 10 repetitions at 70% of 1-RM with the last set to failure on the bench press (BP) and leg press (LP)) followed by ingesting the assigned beverage. After 15 min, participants repeated the hemodynamic test, 1-RM tests, and performed a repetition to fatigue (RtF) test at 70% of 1-RM, followed by completing the SEQ. On day 2 and 7, participants donated a fasting blood sample, completed the SEQ, ingested the assigned beverage, rested 30 min, and performed a 4 km cycling time-trial (TT). Data were analyzed by univariate, multivariate, and repeated measures general linear models (GLM), adjusted for gender and relative caffeine intake. Data are presented as mean change (95% CI). An overall multivariate time × treatment interaction was observed on strength performance variables (p = 0.01). Acute RTD ingestion better maintained LP 1-RM (PLA: −0.285 (−0.49, −0.08); RTD: 0.23 (−0.50, 0.18) kg/kgFFM, p = 0.30); increased LP RtF (PLA: −2.60 (−6.8, 1.6); RTD: 4.00 (−0.2, 8.2) repetitions, p = 0.031); increased BP lifting volume (PLA: 0.001 (−0.13, 0.16); RTD: 0.03 (0.02, 0.04) kg/kgFFM, p = 0.007); and, increased total lifting volume (PLA: −13.12 (−36.9, 10.5); RTD: 21.06 (−2.7, 44.8) kg/kgFFM, p = 0.046). Short-term RTD ingestion maintained baseline LP 1-RM (PLA: −0.412 (−0.08, −0.07); RTD: 0.16 (−0.50, 0.18) kg/kgFFM, p = 0.30); LP RtF (PLA: 0.12 (−3.0, 3.2); RTD: 3.6 (0.5, 6.7) repetitions, p = 0.116); and, LP lifting volume (PLA: 3.64 (−8.8, 16.1); RTD: 16.25 (3.8, 28.7) kg/kgFFM, p = 0.157) to a greater degree than PLA. No significant differences were observed between treatments in cycling TT performance, hemodynamic assessment, fasting blood panels, or self-reported side effects. |
topic |
resistance training dietary supplement sport nutrition ergogenic aid |
url |
https://www.mdpi.com/2072-6643/9/8/823 |
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