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Dietary Supplement clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Dietary Supplement clinical trials that are recruiting, at sites in 2 countries (most in United States (2), France (2)). By phase: Phase 4 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 2Countries
Newest Dietary Supplement clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Oral collagen peptides to improve facial skin barrier in women | — | Nice | Recruiting | Apr 14, 2026 |
| Breathing muscle training plus dietary nitrate to improve exercise at simulated moderate altitude | — | Daytona Beach, Florida | Recruiting | Oct 15, 2025 |
| Effect of Capsinoid Supplementation on Brown Fat in Obese Teens | — | Palavas-les-Flots | Recruiting | Apr 8, 2025 |
| Exploring how a dietary supplement affects gut fungi in healthy adults | Phase 4 | New York, New York | Recruiting | May 29, 2024 |
All recruiting trials (4)
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Oral collagen peptides to improve facial skin barrier in women
See if taking two different doses of oral collagen peptides for three months helps improve facial skin barrier in women with dry, sensitive skin.
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Breathing muscle training plus dietary nitrate to improve exercise at simulated moderate altitude
This project tests whether breathing muscle training and beetroot-derived nitrate help healthy, active adults exercise better under simulated moderate-altitude (low-oxygen) conditions.
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Effect of Capsinoid Supplementation on Brown Fat in Obese Teens
This study is testing if taking capsinoid supplements can help obese teenagers activate their brown fat to manage their weight better.
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Exploring how a dietary supplement affects gut fungi in healthy adults
This study is testing if a dietary supplement called L-Phenylalanine can change the types of fungi in the gut of healthy adults.
Related topics
Quick answers
How many Dietary Supplement clinical trials are recruiting right now?
4, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), France (2 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.