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Pay GuideFirst-Timer GuideCategoriesBrowse TrialsAboutContact
Pay GuideFirst-Timer GuideCategoriesBrowse TrialsAboutContact
I'm aGuineaPig

The easiest way to find paid clinical trials for healthy volunteers. Live data from ClinicalTrials.gov with pay estimates and eligibility matching.

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Data from ClinicalTrials.gov

imaguineapig.com pulls live data from ClinicalTrials.gov (NIH/NLM). Pay estimates are approximate ranges based on study type and are not confirmed by sponsors. We do not provide medical advice. Always contact the study team directly to confirm compensation, eligibility, and risks.

GuineaPig/Categories/Diet & Nutrition Trials

Diet & Nutrition Trials
for Healthy Volunteers

From gut microbiome research to supplement testing, diet and nutrition studies are growing fast. These trials often have simpler protocols and shorter commitments.

2,635

Active Trials

$500 - $2,000

Typical Pay (estimated)

1-4 weeks

Duration

Great for first-time participants

Featured Trial

Highest Paying in Category
$1,500 – $8,000

Estimated compensation

A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Food Effect of JZP047 in Healthy Participants

Jazz Pharmaceuticals

LincolnPhase 186 enrolling
View trial details

All Diet Trials

View all 2,635
Observational
$25 – $500

Est. compensation

Changes in Microbial Status From Dentate, Edentulous and After Dental Implant Placement

Case Western Reserve University

Cleveland, Ohio12 enrolling
Observational
$25 – $500

Est. compensation

Characterization of Vaginal, Urinary and Fecal Microbiomes in Women with Recurrent Urinary Tract Infections

Hadassah Medical Organization

Jerusalem, Jerusalem40 enrolling
N/A
$50 – $1,000

Est. compensation

Measuring Nerve Activity in Small Human Intestinal Biopsies in IBS (Irritable Bowel Syndrome)

KU Leuven

Leuven, Vlaams-Brabant99,999,999 enrolling
N/A
$50 – $1,000

Est. compensation

Dose-response Effect of Community Dance Programme

National University of Singapore

Singapore284 enrolling
N/A
$50 – $1,000

Est. compensation

ImpRoving hEalth behaviourS for LIfe After ENdometrial CancEr Trial

University of Alberta

Edmonton, Alberta148 enrolling
N/A
$50 – $1,000

Est. compensation

Heterogeneity of Vascular Adaptations to Exercise With Aging in Women and Men

University of Colorado, Denver

Aurora, Colorado242 enrolling
N/A
$50 – $1,000

Est. compensation

Short-term Fat Overfeeding on the Effects of Liver Metabolism

University of Oxford

Oxford26 enrolling
Phase 3
$200 – $3,000

Est. compensation

A Study to Evaluate Tradipitant on Treating Nausea and Vomiting Induced by GLP-1R Agonist Use

Vanda Pharmaceuticals

Los Angeles, California280 enrolling
N/A
$50 – $1,000

Est. compensation

Ultra-processed Food-reducing Intervention and Continuous Glucose Monitoring

Korea University

Seoul, Seoul50 enrolling
Observational
$25 – $500

Est. compensation

Investigating the Link Between Advanced Glycation End Products (AGEs) and Muscle Wasting in Sarcobesity

Azienda Ospedaliero Universitaria Maggiore della Carita

Novara195 enrolling
N/A
$50 – $1,000

Est. compensation

EFFECTS OF L-ARGININE SUPPLEMENTATION ON THE RECOVERY OF CARDIORESPIRATORY PARAMETERS AFTER SUBMAXIMAL EXERCISE TEST

Universidade Estadual Paulista Júlio de Mesquita Filho

Presidente Prudente, São Paulo35 enrolling
View all 2,635 trials

Explore Other Categories

PsychedelicVaccineWeight LossBrain & NeurosciencePharmaceutical Drug Studies

Learn more: How Much Do Trials Pay? · First-Timer's Guide

GuineaPig pulls live data from ClinicalTrials.gov (NIH/NLM). Pay estimates are approximate ranges based on study type and are not confirmed by sponsors. Eligibility indicators use limited criteria only. We do not provide medical advice. Always contact the study team directly to confirm compensation, full eligibility, and risks before enrolling.