Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 12:31 AM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Conditions
Healthy Volunteers
Interventions
Rhodiola rosea (low dose), Rhodiola rosea (high dose), Placebo capsules
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Weeks to 40 Weeks
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Jacksonville, Alabama
Conditions
Resistance Exercise Performance, Cognitive Function, Anaerobic Performance, Dietary Supplementation Athletic Performance
Interventions
Low-dose Blackcurrant Supplement, High-dose Blackcurrant Supplement, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Jacksonville, Alabama
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects of Alpha-glycerylphosphorylcholine (A-GPC) on Lower Body Muscular Performance.

NCT07397273
Conditions
Healthy Adult Participants
Interventions
L-Alpha glycerylphosphorylcholine, Microcrystalline Cellulose
Dietary Supplement
Lead sponsor
Northern Illinois University
Other
Eligibility
19 Years to 29 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
DeKalb, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D2, Muscle Damage, NASCAR Pitcrew

NCT01825616
Conditions
Muscle Function, Muscle Soreness, Vitamin D Status
Interventions
Vitamin D2 mushroom powder, Placebo
Dietary Supplement · Other
Lead sponsor
Appalachian State University
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
3
States / cities
Kannapolis, North Carolina
Completed Phase 4 Interventional Accepts healthy volunteers

Coenzyme Q10 in Older Athletes Treated With Statin Medications

NCT01026311
Conditions
Muscle Weakness, Myalgia, Side Effects of Statins
Interventions
Coenzyme q 10, placebo
Drug
Lead sponsor
Richard Deichmann, MD
Other
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Orleans, Louisiana
Completed No phase listed Observational Accepts healthy volunteers

Physiological Variables and Rowing Performance.

NCT04596111
Conditions
Water Sports
Interventions
Not listed
Lead sponsor
Franklin Pierce University
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Rindge, New Hampshire
Conditions
Exercise Performance, Exercise Recovery, Cognitive Function, Nitric Oxide, Blood Flow, Endurance Exercise
Interventions
400 mg CITRAPEAK® (glucosyl-hesperidin) supplementation, Placebo, 200 mg CITRAPEAK® (glucosyl-hesperidin) supplementation
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Saint Charles, Missouri
Conditions
Fatigue; Muscle, Heart, Fatigue, Mental
Interventions
Oral Pouch - Nicotine, Oral Pouch - Caffeine, Oral Pouch - Placebo
Other
Lead sponsor
University of Southern Mississippi
Other
Eligibility
21 Years to 40 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Conditions
Exercise
Interventions
beetroot and anthocyanin, beetroot and placebo
Other
Lead sponsor
Loma Linda University
Other
Eligibility
21 Years to 35 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Loma Linda, California