What are the opening hours?

Monday 6am - 3pm Tuesday 6am - 3pm Wednesday 6am - 3pm Thursday 6am - 3pm Friday 6am - 3pm Saturday 6am - 10am

Lindenwood EPNL

Members of the public are welcome to schedule tests in our facility.

The Exercise and Performance Nutrition Laboratory (EPNL) conducts exercise and nutrition research studies examining outcomes related to health, performance, and recovery.

07/22/2026

Join Our Cognition Research Study!

We are recruiting generally healthy males and females ages 18–50 to participate in a 2-week research study examining paraxanthine with a meal, the main component of caffeine, on mood, energy, and cognition.

What’s Involved?
• 3 total visits over ~2 weeks (1 screening + 2 testing visits)
o Visit 1: Consent, screening, and practice of cognition tasks/games (~45 minutes)
o Visit 2 & 3 (~3.5-4 hours each): Mood questionnaires and cognition tasks/games (every 30-60 minutes)

• Supplement during each visit (2 and 3) with either:
o 200 mg Paraxanthine + meal (overnight oats + plant-based milk)
o Placebo + meal (overnight oats + plant-based milk)

• $300 Compensation

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

06/05/2026

Struggling with Bloating? Join Our Gut Health Research Study!

We are recruiting healthy men and women between the ages of 18 and 50 years of age to participate in a 12-week research study examining the effects of the probiotic Weizmannia (Bacillus) Coagulans JBI-YZ6.3 supplementation on gut health.

Participants should be physically active, healthy, and experiencing regular bloating symptoms.

✔️ Fully Remote Option Available

No lab visits required. Participants may complete the study from anywhere in the contiguous United States (lower 48 states).

What’s Involved?
• 1 screening visit + 4 study visits over ~12 weeks (each ~30–45 minutes)
• Daily supplementation for two 4-week periods (you will receive both probiotic and placebo in random order)
• At-home stool sample collection
• Questionnaires related to gut health and symptoms
• Body weight, heart rate, and blood pressure measurements

For remote participants, all study materials, including supplements, stool collection kits, and a blood pressure monitor, will be shipped directly to you. A household scale is required for remote participation.

Compensation:
Participants who complete the study will receive $250 for their time and effort.

Interested?
Complete this form to see if you qualify: https://lindenwood.az1.qualtrics.com/jfe/form/SV_ba56lB3eXsIOS10

You may also email us at [email protected] or call 636-949-4676 to join or learn more!

04/08/2026

Recruiting Females to Join Our Study!

We are recruiting healthy female endurance athletes ages 18–45 to participate in an 8-week research study examining iron status and exercise performance. This study will evaluate the impact of adding lactoferrin to a low dose of iron supplementation on iron homeostasis, exercise performance, and lactate metabolism in healthy, exercising women with low ferritin levels.

What’s Involved?
• 6 total visits over ~8 weeks (1 screening + 5 testing visits) and daily supplementation
o Visit 1: Consent and screening (~45 minutes)
o Visit 2, 4, and 6 (~2 hours each): Venous blood sample, questionnaires (gastrointestinal symptoms, menstrual symptoms, quality of life, training readiness/recovery), maximal aerobic treadmill test, and time-to-exhaustion treadmill test
o Visits 3 and 5 (~30–45 minutes each): Blood draw and questionnaires

• Daily supplementation for 8 weeks (one of the following):
o 100 mg lactoferrin + 5 mg iron
o 300 mg lactoferrin + 5 mg iron
o Placebo + 5 mg iron

• $500 Compensation

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

To see if you are eligible and to inform the research team of your interest, you may complete the screening form linked here as well: https://lindenwood.az1.qualtrics.com/.../SV_ctCZaUg8Oeo6W6G

03/23/2026

Join Our Research Study!
We are recruiting healthy men and women between the ages of 18 and 50 years of age and with a BMI= 18.5-29.9 kg/m2 to participate in a 12-week research study that seeks to examine the impact of probiotic, Weizmannia (Bacillus) Coagulans JBI-YZ6.3, supplementation on gut health, and we would love for you to be part of this exciting research.

What’s Involved?
• 1 brief screening visit, 4 visits over 12 weeks and daily supplementation
o Screening Visit: Consent and screening (~30 minutes)
o Visit 1: Body composition, provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)
o Visit 2-4: provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)

• Supplement:
o Crossover Study Design: you will take both supplements for a 4-week period in a random order
- Placebo
- Weizmannia (Bacillus) Coagulans JBI-YZ6.3

Compensation:
To thank you for your time and effort, you will receive $250 in compensation via direct deposit upon completion of the study.
Please note that compensation may take up to 30 days to be processed and delivered.

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

03/03/2026

Join Our Research Study!
We are recruiting healthy men and women between the ages of 18 and 50 years of age and with a BMI= 18.5-29.9 kg/m2 to participate in a 12-week research study that seeks to examine the impact of probiotic, Weizmannia (Bacillus) Coagulans JBI-YZ6.3, supplementation on gut health, and we would love for you to be part of this exciting research.

What’s Involved?
• 1 brief screening visit, 4 visits over 12 weeks and daily supplementation
o Screening Visit: Consent and screening (~30 minutes)
o Visit 1: Body composition, provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)
o Visit 2-4: provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)

• Supplement:
o Crossover Study Design: you will take both supplements for a 4-week period in a random order
o Placebo
o Weizmannia (Bacillus) Coagulans JBI-YZ6.3

Compensation:
To thank you for your time and effort, you will receive $250 in compensation via direct deposit upon completion of the study. Please note that compensation may take up to 30 days to be processed and delivered.

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

03/02/2026

Join Our Research Study!
We are recruiting healthy men and women between the ages of 30 and 60 years of age and with a BMI= 18.5-29.9 kg/m2 to participate in an 8-week research study that seeks to examine the impact of geranylgeraniol supplementation on muscular strength and endurance, body composition, aerobic capacity, s*x steroid hormones, and CoQ10 levels, and we would love for you to be part of this exciting research.

What’s Involved?
• 4 visits over 8 weeks and daily supplementation
o Visit 1: Consent and screening (~30 minutes)
o Visit 2-4: Body composition, f***l sample, venous blood sample, mood and quality of life questionnaires, muscular strength and endurance assessment, maximal aerobic treadmill test (~2-2.5 hours)

• Supplement (one of the following three): low dose geranylgeraniol, high dose geranylgeraniol, or placebo

• $500 Compensation

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

01/27/2026

Join Our Research Study!

We are recruiting healthy men and women between the ages of 30 and 60 years of age and with a BMI= 18.5-29.9 kg/m2 to participate in an 8-week research study that seeks to examine the impact of geranylgeraniol supplementation on muscular strength and endurance, body composition, aerobic capacity, s*x steroid hormones, and CoQ10 levels, and we would love for you to be part of this exciting research.

What’s Involved?
• 4 visits over 8 weeks and daily supplementation
o Visit 1: Consent and screening (~30 minutes)
o Visit 2 & 4: Body composition, f***l sample, venous blood sample, mood and quality of life questionnaires, muscular strength and endurance assessment, maximal aerobic treadmill test (~2-2.5 hours)
o Visit 3: Body composition, venous blood sample, muscular strength and endurance assessment, maximal aerobic treadmill test (~2-2.5 hours)
• Supplement (one of the following three): low dose geranylgeraniol, high dose geranylgeraniol, or placebo

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

11/21/2025

Research Participants Wanted!

Are you 18-45 years old, healthy, and physically active? The Exercise and Performance Nutrition Laboratory at Lindenwood University is recruiting participants to join our research study to explore how a novel nutritional supplement impacts exercise performance, recovery, and health!

What’s Involved:
• 4 lab visits over 8 weeks
• Exercise testing and health assessments
• Free VO2 max and body composition testing
• Compensation of $600 for your time!

Who Can Join?
• Ages 18-45
• Regularly active (2-5 workouts/week)
• BMI between 18.5–29.9

💡 Interested? Click the link to see if you qualify: https://forms.office.com/r/psGR318REp

10/23/2025

Join Our Gut Health Research Study!

We are recruiting healthy men and women between the ages of 18 and 50 years of age and with a BMI= 18.5-29.9 kg/m2 to participate in a 12-week research study that seeks to examine the impact of probiotic, Weizmannia (Bacillus) Coagulans JBI-YZ6.3, supplementation on gut health, and we would love for you to be part of this exciting research.

What’s Involved?
• 1 brief screening visit, 4 visits over 12 weeks and daily supplementation
o Screening Visit: Consent and screening (~30 minutes)
o Visit 1: Body composition, provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)
o Visit 2-4: provide stool sample, gastrointestinal symptom and gut health questionnaires (30-45 minutes)
Supplement:
• Crossover Study Design: you will take both supplements (Weizmannia (Bacillus) Coagulans or placebo) for a 4-week period in a random order

Compensation: To thank you for your time and effort, you will receive $250 in compensation via direct deposit upon completion of the study. Please note that compensation may take up to 30 days to be processed and delivered.

Interested?
Email us at [email protected] or call 636-949-4676 to join or learn more!

08/21/2025

Research Participants Wanted!

Are you 18-45 years old, healthy, and physically active? The Exercise and Performance Nutrition Laboratory at Lindenwood University is recruiting participants to join our research study to explore how a novel nutritional supplement impacts exercise performance, recovery, and health!

What’s Involved:
• 4 lab visits over 8 weeks
• Exercise testing and health assessments
• Free VO2 max and body composition testing
•
Compensation of $350 for your time!
Who Can Join?
• Ages 18-45
• Regularly active (2-5 workouts/week)
• BMI between 18.5–29.9

💡 Interested? Click the link to see if you qualify: https://forms.office.com/r/psGR318REp

Address

209 South Kingshighway
St. Charles, MO
63301

Opening Hours

Monday	6am - 3pm
Tuesday	6am - 3pm
Wednesday	6am - 3pm
Thursday	6am - 3pm
Friday	6am - 3pm
Saturday	6am - 10am

Telephone

(636) 949-4676

Website

http://www.lindenwood.edu/epnl

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