- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06889584
Supplement Combination on Stress and Sleep
February 8, 2026 updated by: Shawn M. Arent, University of South Carolina
Evaluating the Efficacy of a Supplement Combination for Improving Stress and Sleep: A Randomized Placebo-Controlled Clinical Trial
The purpose of this clinical trial is to assess the effects of a supplement combination on measures of sleep quality and stress in healthy adults.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
- Combination product: All Active Supplement Combinations (Ashwagandha, Rhodiola rosea, magnesium threonate, L-theanine, and apigenin))
- Combination product: AM Active Supplement Combination (Ashwagandha and Rhodiola rosea)
- Combination product: PM Active Supplement Combination (Magnesium threonate, L-theanine, and apigenin)
- Other: AM and PM Placebo
Study Type
Interventional
Enrollment (Actual)
115
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
South Carolina
-
Columbia, South Carolina, United States, 29208
- University of South Carolina Sport Science Lab
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Healthy participants aged 18 to 50 years (inclusive) at the time of screening with a body mass index of 18.5 to 29.9 kg/m2.
- Willing to give voluntary consent, be able to understand and read the questionnaires, carry out all study-related procedures, communicate effectively with the study staff, and agree to allow any study-related evaluations.
- Participant is physically active: participating in resistance and/or endurance exercise ≥150 min/wk for ≥6 mo.
- Participant will be asked about dietary supplementation use within the past 6 months.
If participant began taking a supplement within the past month, participant will be asked to discontinue supplement use followed by a 2-week washout prior to participation.In all other cases, supplement use will be asked to be maintained throughout the study.
• The participant has an apple device with iOS 16 or greater software.
Exclusion Criteria:
- Have a known sensitivity of allergy to any of the investigational products.
- Participants currently taking any of the investigational products will be excluded.
- Female participants who are lactating, pregnant, or planning to become pregnant during the study.
- Diagnosed with any sleep-related or stress-related disorders.
- Currently taking medication to manage sleep or cortisol levels.
- Participants with controlled or uncontrolled hypertension including stage 1 hypertension (systolic blood pressure ≥129 mmHg and diastolic blood pressure ≥89 mmHg).
- Any other condition or abnormality that, in the opinion of the investigator, would compromise the safety of the participant or the quality of the study data.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: AM active, PM active
|
Ashwagandha, Rhodiola rosea, magnesium threonate, L-theanine, and apigenin.
|
|
Active Comparator: AM active, PM placebo
|
Ashwagandha and Rhodiola rosea
|
|
Active Comparator: AM placebo, PM active
|
Magnesium threonate, L-theanine, and apigenin.
|
|
Placebo Comparator: AM placebo, PM placebo
|
Placebo AM and PM
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Cohen's Perceived Stress scale
Time Frame: Baseline, Day 7, Day 14, Day 21, Day 28
|
To determine changes in perceived stress by way of the Cohen's Perceived Stress scale.
The minimum is 0 and max is 40, with higher values meaning more stress.
|
Baseline, Day 7, Day 14, Day 21, Day 28
|
|
Positive mood and emotion
Time Frame: Baseline, Day 7, Day 14, Day 21, Day 28
|
Assessed by the Positive and Negative Affect Scale.
Min values of 0 and max of 50, higher scores indicate more positive moods and emotions.
|
Baseline, Day 7, Day 14, Day 21, Day 28
|
|
Negative mood and emotion
Time Frame: Baseline, Day 7, Day 14, Day 21, Day 28
|
Assessed by the Positive and Negative Affect Schedule.
Min values of 0 and max of 50, higher scores indicate more negative moods and emotions.
|
Baseline, Day 7, Day 14, Day 21, Day 28
|
|
Weekly sleep disturbances.
Time Frame: Baseline, Day 7, Day 14, Day 21, Day 28
|
Assessed by the Patient Reported Outcome Measures of sleep disturbances.
Min values of 8 and max values of 40.
Higher scores mean more sleep disturbances.
|
Baseline, Day 7, Day 14, Day 21, Day 28
|
|
Weekly sleep impairment
Time Frame: Baseline, Day 7, Day 14, Day 21, Day 28
|
Assessed by the Patient Reported Outcome Measures of sleep impairments.
Min values of 8 and max values of 40.
Higher scores mean more sleep impairments.
|
Baseline, Day 7, Day 14, Day 21, Day 28
|
|
Changes in daily psychological stress
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Daily Stress Response Scale.
Min 0, max 60 with higher scores indicating higher stress.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in daily physiological stress
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by Daily Stress Response Scale.
Min 0, max 60 with higher scores indicating higher stress.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in subjective sleep quality.
Time Frame: Baseline and Day 28.
|
Assessed by the Pittsburgh Sleep Quality Index questionnaire.
Min 0 and max 21, higher scores indicate worse sleep quality.
|
Baseline and Day 28.
|
|
Changes in objective sleep quality.
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Absolute Rest device, higher scores are better.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in sleep efficiency.
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Absolute Rest device, total time asleep divided by time in bed, expressed as a percentage, higher is better.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in sleep latency
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Absolute Rest device, time taken to fall asleep.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in sleep duration
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Absolute Rest device, total sleep time.
|
Daily for 4-weeks from baseline to Day 28.
|
|
Changes in sleep apnea
Time Frame: Daily for 4-weeks from baseline to Day 28.
|
Assessed by the Absolute Rest device, values measures by oxygen saturation.
|
Daily for 4-weeks from baseline to Day 28.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Percent compliance of supplement use
Time Frame: End of Week 2 and Week 3.
|
To determine the percent of compliance when taking AM and PM pills.
Will be measured by the amount of pills taken / pills prescribed multiplied by 100.
|
End of Week 2 and Week 3.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
February 15, 2025
Primary Completion (Actual)
December 1, 2025
Study Completion (Actual)
February 1, 2026
Study Registration Dates
First Submitted
February 27, 2025
First Submitted That Met QC Criteria
March 16, 2025
First Posted (Actual)
March 21, 2025
Study Record Updates
Last Update Posted (Actual)
February 11, 2026
Last Update Submitted That Met QC Criteria
February 8, 2026
Last Verified
February 1, 2026
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00141237
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on Healthy
-
University of Vermont Medical CenterAvocado Nutrition CenterRecruitingHealthy | Healthy Volunteers | Healthy Subjects | Healthy Volunteer | Healthy Adult | Healthy Volunteers Only | Healthy Male and Female Subjects | Healthy Non-smokersUnited States
-
Dragonfly TherapeuticsRecruitingHealthy | Healthy Participants | Healthy Adult Females | Volunteer | Healthy Adult MaleAustralia
-
Umm Al-Qura UniversityActive, not recruitingHealthy | Healthy Participants | Healthy Adult | Healthy Women | Healthy Adult Females | Healthy Adult Participants | Healthy Young Adults | Healthy Adult Female Participants | Healthy Adult Male | Poor Sleep Quality | Healthy (Controls) | Poor Sleeping Quality | Healthy Adult Male Subjects | Health Adult SubjectsSaudi Arabia
-
Maastricht University Medical CenterCompletedHealthy Volunteers | Healthy Subjects | Healthy AdultsNetherlands
-
University of PalermoCompletedHealthy Participants | Healthy Adult Participants | Healthy Young AdultsItaly
-
University of PalermoCompletedHealthy | Healthy Volunteers | Healthy Subjects | Healthy Participants | Static Stretching | Stretch | StretchingItaly
-
Prevent Age Resort "Pervaya Liniya"RecruitingHealthy Aging | Healthy Diet | Healthy LifestyleRussian Federation
-
Yale UniversityNot yet recruitingHealth-related Benefits of Introducing Table Olives Into the Diet of Young Adults: Olives For HealthHealthy Diet | Healthy Lifestyle | Healthy Nutrition | CholesterolUnited States
-
PfizerNot yet recruitingHealthy | Healthy AdultsUnited States
-
Atisama TherapeuticsRecruitingHealthy | Healthy SmokerAustralia