Core: healthy volunteers
Studies for healthy volunteers recruiting now
These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
5,002 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Self-balancing Personal Exoskeleton for SCI (Site 2)
Wandercraft
- Location
- West Orange, NJ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Self-balancing Personal Exoskeleton for SCI (WINY)
Wandercraft
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study to Evaluate the Effects of a Supplement on the Side Effects Associated With Stimulant Medications
Outliers, Inc.
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Royal Ancient Oats™ Study
Standard Process Inc.
- Location
- Kannapolis, NC
- Eligibility basics
- Ages 35–65
- RecruitingHealthy volunteers
Caris Biorepository Research Protocol
Caris Science, Inc.
- Location
- Mobile, AL + 37 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
cfDNA Assay Prospective Observational Validation for Early Cancer Detection and Minimal Residual Disease
Adela, Inc
- Location
- Duarte, CA + 15 other US sites
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
MiREA-AC for Reducing Problematic Alcohol and Marijuana Use in College Students
mHealth Systems Inc.
- Location
- Charlotte, NC + 1 other US site
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
Thermoacoustic Method for Estimating Liver Fat Fraction
Endra Lifesciences
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Accuracy Evaluation of the Owlet OSS 3.0-M1 Sensor in Toddlers and Preschoolers
Owlet Baby Care, Inc.
- Location
- San Francisco, CA
- Eligibility basics
- Ages 1–5
- RecruitingHealthy volunteers
Clinical Study to Evaluate the Improvement in Hair Loss in Skin of Color Treated With Fractional Non-Ablative Laser
Lumenis Be Ltd.
- Location
- New York, NY
- Eligibility basics
- Ages 21–55
- RecruitingHealthy volunteers
Abuse Liability for Five Modern Oral Nicotine Products
RAI Services Company
- Location
- Overland Park, KS
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteers
Collection of Samples From the United States Population for Optimization and Evaluation of Colorectal Cancer (CRC) Plasma Circulating Free-DNA (cfDNA) Marker Panel Performance
Universal Diagnostics
- Location
- Lake Barrington, IL
- Eligibility basics
- Ages 45–84
- RecruitingHealthy volunteers
Efficacy in Controlling Myopia in Young Children Using a Novel Spectacle Lens
SightGlass Vision, Inc.
- Location
- Oakland, CA + 13 other US sites
- Eligibility basics
- Ages 6–8
- RecruitingHealthy volunteers
Evaluating Heart & Soil's Lifeblood on Iron and Energy Levels
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effects on Sleep Quality of 1:4 Reishi Liquid Extract
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Chilipad Sleep Optimization Study
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Sound Stops Stress Study: Evaluating the WAVwatch Effect
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Discover Better Body Composition With Green Light!
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Can EmeraldLED Reshape Your Body With Continued Use?
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
How Does Continued Use of Green Light Therapy Impact Outcomes?
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluating SleepWhale Drops for Rest & Resilience
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Cracking Consciousness Study With Monroe & Neuphoria (Cohort 2&3)
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
See the Impact Beem's Blue Light Therapy Has on Your Skin Health!
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Dual System Study: Transvaginal Fetal Pulse Oximetry Measurement Systems
Raydiant Oximetry, Inc.
- Location
- Shreveport, LA
- Eligibility basics
- Ages 18+ · Women only
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.