The aim of the research project is to determine the changes in motivation to perform mental and physical tasks, feelings of vigor and fatigue, mental task vigilance and fine motor function after consumption of a commercially available energy product. The purpose of this study is determine whether e+shot, a product containing natural caffeine, will impact mood and performance up to 108 minutes post consumption compared to a sweetened solution containing synthetic caffeine.
Enrolled participants who are low consumers of caffeine will be administered either a placebo (3mg caffeine), caffeinated placebo (\~100mg of caffeine) or e+shot first and then will be crossed over to receive the other two interventions. The study consists of 3 treatment periods of 108 minutes each with a washout period of 48 hours.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
30
Subjects received all 3 interventions Placebo \~3mg caffeine Caffeinated placebo \~100mg caffeine E+shots- The 4oz adaptogen-rich (E+shots) was E+ Shots (Isagenix International, LLC) containing approximately 90mg caffeine from green tea Camellia sinesis leaf extract (50%) and yerba maté extract (25%) along with a proprietary blend of adaptogenic herbs, including: eleutherococcus senticosus, crateagus oxycantha, rhodiola rosea and Schisandra chinensis.
Change in POMS Vigor
POMS Vigor, Scores range from 0-20 with higher scores indicating improved outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in POMS Fatigue
POMS Fatigue Scores range from 0-20with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in POMS Depression
POMS Depression Scores range from 0-20 with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in POMS Anxiety
POMS Anxiety Scores range from 0-20 with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in POMS Anger
POMS Anger Scores range from 0-20 with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in POMS Confusion
POMS Anger Scores range from -4 to 16 with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minute
Change in Serial Subtraction 3 Task Performance
Serial subtraction 3- Number of attempts
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
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Change in Serial Subtraction 3 Task Performance
Serial subtraction 3- Number correct
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Serial Subtraction 3 Task Performance
Serial subtraction 3- Percentage correct
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Serial Subtraction 7 Task Performance
Serial subtraction 7- Number of attempts
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Serial Subtraction 7 Task Performance
Serial subtraction 7- Number correct
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Serial Subtraction 7 Task Performance
Serial subtraction 7- Percentage correct
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Blood Pressure
Blood pressure- systolic and diastolic measured in mmHg
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Heart Rate
Heart rate- beats per minute
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Fine Motor Task Performance
9-hole peg test- measured in seconds- The validated nine-hole peg test of finger dexterity was used to measure fine motor control. The 12 cm × 12 cm wooden pegboard contained nine holes and was placed on the desktop in front of the seated participant. There were nine 0.64 cm wide cylindrical pegs, were placed on the desktop outside of the container on the right side of the board and on the left side of the board for when the participant's right hand and left hand were tested, respectively. Participants were instructed to place one peg at a time into the pegboard holes until they were filled, and then remove each peg one at a time onto the desktop as fast as they could, first with their dominant hand and next with their non-dominant hand. Each test was performed twice.
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in State Mental Energy
State Mental Energy- scores range from 0 to 300 with higher scores indicating better outcome
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in State Physical Energy
State Physical Energy- scores range from 0 to 300 with higher scores indicating better outcome
Time frame: pre-beverage-0 minutes, Post beverage 1-30 minutes, Post beverage 2-68 minutes, Post beverage 3 -108 minutes
Change in State Mental Fatigue
State mental fatigue- scores range from 0 to 300 with higher scores indicating worse outcome
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in State Physical Fatigue
State physical fatigue- scores range from 0 to 300 with higher scores indicating worse outcome
Time frame: pre beverage-0, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3-108 minutes
Change in Continuous Performance Task Performance Percent Correct
Continuous Performance Task- Percentage of correct responses Participants monitored a continuous series of letters (A-Z; Tahoma Regular font, size 20 pt) presented on the screen for 1000 ms. Participants were told to respond to the detection of the letter "X" only when it was preceded by the letter "A" by striking the left key on the key pad. The task was scored for percentage of target strings correctly detected, errors of omission (missed targets), average reaction time for correct detections, and the number of false alarms. The task lasted for two minutes and 48 targets were randomly presented
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2- 68, post beverage 3-108 minutes
Change in Continuous Performance Task Performance Number Incorrect
Continuous Performance Task- Number of incorrect responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3-108 minutes
Change in Continuous Performance Task Performance Missed Responses
Continuous Performance Task- Percentage of missed responses
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2- 68 minutes, post beverage 3- 108 minutes
Change in Continuous Performance Task Performance Reaction Time Correct Responses
Continuous Performance Task- reaction time for correct responses
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Primary Task Percentage Correct
Rapid Visual Input Processing task- Primary task- percentage correct
Time frame: pre beverage- 0 minutes, post beverage 1- 30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Primary Task Percent Missed
Rapid Visual Input Processing task- Primary task- percentage missed
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2-68 minutes, post beverage 3- 108 minutes
Change in Rapid Visual Input Processing Task Performance Primary Task Incorrect Responses
Rapid Visual Input Processing task- Primary task- incorrect responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Primary Task Reaction Time for Percent Correct
Rapid Visual Input Processing task- Primary task- reaction time for percent correct
Time frame: pre beverage- 0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Secondary Task Percent Correct
Rapid Visual Input Processing task- Secondary task- percentage correct
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Secondary Task Percentage Missed Responses
Rapid Visual Input Processing task- Secondary task- percentage missed responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Secondary Task Incorrect Responses
Rapid Visual Input Processing task- Secondary task- incorrect responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2- 68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Secondary Task Reaction Time for Correct Responses
Rapid Visual Input Processing task- Secondary task- reaction time for correct responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Tertiary Task Percentage Correct Responses
Rapid Visual Input Processing task- Tertiary task- percentage correct responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance- Tertiary Task Percent Missed Responses
Rapid Visual Input Processing task- Tertiary task- percentage missed responses
Time frame: pre beverage-0 minute, post beverage-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Tertiary Task Number of Incorrect Responses
Rapid Visual Input Processing task- Tertiary task- number of incorrect responses
Time frame: pre beverage-0 minutes, post beverage 1- 30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes
Change in Rapid Visual Input Processing Task Performance Tertiary Task Reaction Time for Correct Responses
Rapid Visual Input Processing task- Tertiary task- reaction time for correct responses
Time frame: pre beverage-0 minutes, post beverage 1-30 minutes, post beverage 2-68 minutes, post beverage 3-108 minutes