The purpose of this randomized, double-blind, crossover study is to investigate the effects of Bang® Keto Coffee on resting and post-exercise metabolism and muscular performance during lower body resistance exercise.
Resistance-trained males and females will be recruited for participation in a randomized, double-bind, crossover trial. After providing informed consent, each participant will undergo a familiarization session to become accustomed to the study procedures. Following familiarization, each participant will complete two laboratory visits consisting of metabolism and exercise performance assessments. In both visits, a baseline assessment of resting metabolic rate (RMR) and respiratory exchange ratio (RER) will be conducted using indirect calorimetry. Following the initial RMR assessment, each participant will ingest a coffee flavored beverage, either VPX Bang® Keto Coffee or a flavor-matched placebo. After beverage consumption, the participant will return to the supine position and rest prior to initiation of the second RMR assessment. Immediately following the second RMR assessment, the participant will begin a 5-minute dynamic bodyweight warm up. Participants will then begin squat testing procedures on a mechanized squat device. After completing the squat testing, participants will complete a standard 1-repetition maximum and repetitions to failure using a plate-loaded hip sled machine. Following the hip sled testing, participants will repeat the mechanized squat testing. Following completion of the exercise testing, a third and final RMR assessment will be performed. Following successful completion of the first condition, each participant will enter a wash out period, after which the visit will be repeated with ingestion of the alternative beverage.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Enrollment
19
Participants will consume either VPX Bang® Keto Coffee beverage or flavor-matched placebo beverage in each condition.
Department of Kinesiology & Sport Management
Lubbock, Texas, United States
Isometric Force Production
Isometric force production on mechanized squat device
Time frame: Assessed approximately 45 minutes after beverage ingestion
Isometric Force Production
Isometric force production on mechanized squat device
Time frame: Assessed approximately 80 minutes after beverage ingestion
Isokinetic Force Production
Isokinetic force production on mechanized squat device
Time frame: Assessed approximately 45 minutes after beverage ingestion
Isokinetic Force Production
Isokinetic force production on mechanized squat device.
Time frame: Assessed approximately 80 minutes after beverage ingestion
Maximal Lower Body Strength
One-repetition maximum on hip sled machine
Time frame: Assessed approximately 75 minutes after beverage ingestion
Maximal Lower Body Endurance
Repetitions to failure on hip sled machine
Time frame: Assessed approximately 75 minutes after beverage ingestion (following maximal lower body strength testing)
Change in Metabolic Rate
Metabolic rate assessed via indirect calorimetry
Time frame: Change in metabolic rate between: 1) before beverage ingestion (baseline) and 2) beginning approximately 10 minutes after completion of beverage ingestion
Change in Metabolic Rate
Metabolic rate assessed via indirect calorimetry
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Time frame: Change in metabolic rate between: 1) before beverage ingestion (baseline) and 2) beginning approximately 5 minutes after completion of all exercise testing
Change in Respiratory Exchange Ratio
Respiratory exchange ratio as assessed via indirect calorimetry
Time frame: Change in respiratory exchange ratio between: 1) before beverage ingestion (baseline) and 2) beginning approximately 10 minutes after completion of beverage ingestion
Change in Respiratory Exchange Ratio
Respiratory exchange ratio as assessed via indirect calorimetry
Time frame: Change in respiratory exchange ratio between: 1) before beverage ingestion (baseline) and 2) beginning approximately 5 minutes after completion of all exercise testing.