Clinical trials: Dietary Supplement: Placebo
Functional Constipation
Dose-ranging Efficacy of Polydextrose Supplement on Colonic Transit Time and Symptoms in Adults With Functional Constipation
This study will investigate the effectiveness of Polydextrose, a dietary fiber, at decreasing Colonic Transit Time and the gastrointestinal symptoms of Functional Constipation.
- Trial name
- NCT02314936
- Testing
- Litesse powder containing 12 g polydextrose, Litesse powder containing 8 g polydextrose, Litesse powder containing 4 g polydextrose
- Where
- Canada
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- KGK Science Inc.
Sleep, Mood
Investigational Test of a New Sleep Supplement
This study seeks to observe the effects of a proprietary spearmint extract and green tea blend on sleep quality and duration. The study observes the effect of the supplement regarding sleep quality, and mental health.
- Conditions
- Sleep, Mood, Cognitive Performance
- Trial name
- InTeNSS (NCT03567343)
- Testing
- Proprietary Spearmint Extract Blend, Control
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Height, Cognitive Function
A Study to Evaluate the Effects of a Dietary Supplement on Children's Health and Development Outcomes.
A 6-month virtual two-armed randomized double-blind placebo-controlled clinical trial. Participants will take NuBest Tall Growth Protein Powder or a placebo daily.
- Conditions
- Height, Cognitive Function, Weight Gain
- Trial name
- NCT06704178
- Testing
- NuBest Tall Growth Protein Powder
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- NuBest
Photodamaged Skin
A Study to Assess the Effects of an Oral Dietary Supplement on Overall Facial Appearance Among Healthy Adult Women With Existing Skin Damage From Sun Exposure
The study hypothesis is that Imedeen will show effects on skin health, when compared to placebo over a 6 month intervention period with respect to changes in skin appearance, skin density, moisture, and in fine lines and wrinkles.
- Trial name
- NCT01787461
- Testing
- Imedeen
- Where
- 4 sites in United States
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Pfizer
Airway Inflammation, Asthma
A Study of Gamma Tocopherol-enriched Supplement on Lower Airway Responses to Inhaled Wood Smoke in Healthy Adults
Purpose: To determine the efficacy of 1400 mg gamma tocopherol-enriched supplement for mitigating inhaled wood smoke particle-induced airway inflammation in healthy adults with no more than mild asthma.
- Trial name
- SmokeyT (NCT03444298)
- Testing
- Gamma Tocopherol
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Hypercholesterolemia
Effect of a Treatment With a Nutraceutical Combination on Sub-optimal LDL Cholesterol Levels
High cholesterol is one of the major controllable risk factor for coronary heart disease. It is well demonstrated that drugs that reduce the intestinal absorption of cholesterol or block the synthesis of cholesterol or the…
- Trial name
- NATCOL (NCT03739242)
- Testing
- Nutraceutical combination
- Where
- Italy
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- A. Menarini Industrie Farmaceutiche Riunite S.r.l.
COVID-19
Feasibility Pilot Clinical Trial of Omega-3 Supplement vs. Placebo for Post Covid-19 Recovery Among Health Care Workers
This is a two-arm, double blind randomized 12-week study to supplement omega-3 (Eicosapentaenoic acid - EPA + docosahexaenoic acid - DHA) among 100 adults (age 18+) who had coronavirus-19 (covid-19) and are experiencing possible…
- Trial name
- NCT05121766
- Testing
- Omega-3 (EPA+DHA)
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Hackensack Meridian Health
Healthy, Stress, Psychological
Stress & Anxiety Dampening Effects of a Probiotic Supplement Compared to Placebo in Healthy Subjects
The aim of this study is to assess whether a 5 week intake of a probiotic (Lpc-37) can modulate stress and anxiety experienced by healthy subjects during and after an acute stressor compared to placebo.
- Trial name
- NCT03494725
- Testing
- Lpc-37
- Where
- Germany
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Daacro
Endothelial Dysfunction, Hyperhomocysteinemia
Effect of L-Arginine and Pycnogenol on Light to Moderate Hypertension and Endothelial Function
The effect of a combination product (Verum ) with L-arginine, Pycnogenol, vitamin K2, R-(+)-alpha-lipoic acid and vitamins B6, B12 and folic acid is investigated in a double blind placebo-controlled cross-over study.
- Conditions
- Endothelial Dysfunction, Hyperhomocysteinemia, Hypertension Grade I, Subgroup "Borderline" (WHO)
- Trial name
- NCT02392767
- Testing
- Verum
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Dr. Loges & Co. GmbH
Obesity
Fruit and Vegetable Juice Concentrate Effects on RBP4 and Antioxidant Capacity in Lean and Overweight 6-10 Year Old Boys
Our study aims to evaluate if the consumption of a Fruit and Vegetable Juice Concentrate (FVJC) vs. placebo can exert changes in the serum levels of Retinol Binding Protein 4 (RBP4), carotenoids, tocopherol, antioxidant capacity…
- Trial name
- FVJC (NCT00842543)
- Testing
- Fruit and Vegetable Juice Concentrate (FVJC)
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic