Nationwide Registered Dietitian Services · All 50 states
Info@RDnutritionconsultants.com · 888-502-2069
FOR CLINICAL RESEARCH ORGANIZATIONS & SPONSORS
The dietitian network behind GLP-1 and peptide trials.
Clinical Trial Dietitian Support
GLP-1 and peptide studies live or die on two things: clean dietary data and participants who stay enrolled. RD Nutrition Consultants partners with Clinical Research Organizations and sponsors to deliver research-experienced Registered Dietitians who drive the outcomes that protect your study — stronger weight-loss results, higher participant retention, and fewer side-effect-driven dropouts. Better data, lower study cost, across GLP-1, metabolic, and every diet-sensitive trial.
THE CENTRAL CONCERN
Protocol fidelity, participant retention & data integrity
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GLP-1 & Peptide
CORE TRIAL FOCUS
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Nationwide
RD NETWORK, ALL 50 STATES
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Multi-Site
CENTRALIZED COORDINATION
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Research-Experienced
REGISTERED DIETITIANS
WHY NUTRITION DECIDES YOUR DATA
In a GLP-1 or peptide trial, nutrition isn't a supporting detail — it's a variable that can compromise your dataset and a primary driver of who stays enrolled. Uncontrolled dietary intake introduces confounders. Unmanaged GI side effects drive discontinuation, and discontinuation is dropout — lost participants, eroded statistical power, and months of work at risk. Most Clinical Research Organizations don't carry the in-house nutrition expertise to manage either.
RD Nutrition Consultants is the dietitian network research organizations rely on to protect protocol fidelity. Our RDs embed alongside your research teams to deliver protocol-aligned nutrition counseling and medical nutrition therapy, manage tolerability and adherence, design precision controlled-feeding menus, and capture standardized dietary data — delivered through secure, HIPAA-compliant telehealth and integrated directly into your study workflows.
THE PUBLISHED EVIDENCE
Structured RD support is the layer that protects your trial.
Source: Heinberg et al., Obesity (2025); real-world cohort outcomes from at-scale integrated GLP-1 programs. Figures reflect the effect of structured Registered Dietitian care, not RDNC-specific results. Individual results may vary.
WHAT SPONSORS ACTUALLY PAY FOR
RDs who deliver results — and protect your study budget.
In a GLP-1 or peptide trial, the dietitian isn't a checkbox — they're a lever on your most expensive risks. Every dropout is sunk enrollment cost. Every confounded data point threatens your readout. RDNC's research-experienced RDs are selected for their ability to move the three outcomes that protect a sponsor's investment.
Weight-loss counseling that strengthens your signal.
Structured, protocol-aligned nutrition counseling helps the intervention perform to its full effect — sharpening effect size and reducing noise in your endpoints.
Retention that protects statistical power.
Behavioral adherence support keeps participants enrolled and engaged, preventing the dropout that erodes power and forces costly over-enrollment.
Side-effect management that prevents discontinuation.
GI tolerability is the #1 driver of GLP-1 dropout. Dietitian-led strategies reduce side-effect burden — keeping participants on therapy and your data complete.
The result for sponsors: cleaner data, stronger signal, and significant savings on the enrollment and timeline costs that dropout drives.
CAPABILITIES
How we protect your trial.
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GLP-1 & Peptide Trial Support
Dedicated expertise for the field driving today's research pipeline — GI tolerability management, lean-mass-preserving nutrition strategies, adherence support, and participant counseling built around GLP-1 and peptide protocols.
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Adherence & Retention Support
Evidence-based behavioral strategies that sustain participant engagement and protect complete data sets.
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Standardized Dietary Data
Food records, 24-hour recalls, and nutrient tracking captured uniformly across sites with the rigor your endpoints demand.
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Protocol-Aligned Counseling & MNT
Structured nutrition counseling and medical nutrition therapy that adheres strictly to study protocols, consistent across every participant interaction.
04
Controlled-Feeding Menu Design
Precision menus for controlled-feeding arms and inpatient metabolic protocols, built to spec.
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Audit-Ready Documentation
Session notes, adherence tracking, and protocol-deviation reporting aligned with FDA, IRB, and 21 CFR Part 11 expectations.
BUILT FOR CLINICAL RESEARCH COMPLIANCE
Structured for regulatory readiness and sponsor transparency.
Every engagement is built for audit preparedness. RDNC's RDs work within your approved systems and document to the standards your sponsors and regulators expect.
✓ GCP & study-specific training
Research-experienced RDs complete sponsor-provided GCP and study-specific training to meet ethical and regulatory standards.
✓ Audit-ready documentation
Session notes, adherence tracking, and protocol-deviation reporting aligned with FDA and IRB expectations.
✓ 21 CFR Part 11 & HIPAA
Documentation and data entry completed within CRO- or sponsor-approved systems, following Part 11 standards for electronic records, signatures, and PHI.
✓ Central oversight & QA
Dedicated account managers and QA review provide continuous monitoring and protocol-adherence verification across all sites and phases.
HOW IT WORKS
From protocol to clean data, in four steps.
01
Discovery call
We align on trial scope, endpoints, nutrition-protocol requirements, and integration with your existing CRO workflows and systems.
02
Onboard & align
We complete your GCP and study-specific training, align RD scope to your protocol, and integrate documentation procedures with your sponsor systems before full rollout.
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Scale nationwide
We expand across all sites and study phases with proven workflows, standardized training, and consistent QA across the entire trial footprint.
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Continuous oversight
Real-time compliance monitoring, QA reviews, and performance reporting sustain protocol adherence and data integrity throughout the study.
WHY CLINICAL RESEARCH ORGANIZATIONS CHOOSE RDNC
We don't place generalists in research roles. Our clinical trial dietitians bring real experience in research methodology, IRB-compliant interventions, and multi-site study operations.
With GLP-1 and peptide trials as our core focus, a nationwide network of licensed Registered Dietitians across all 50 states, and centralized multi-site coordination, RDNC is the dietitian network built for clinical research — a niche most firms don't serve at all. We operate as an embedded extension of your clinical team, scaling from a handful of participants to 500+ without compromising protocol fidelity.
COMMON QUESTIONS
What sponsors and CROs ask first.
1. Does RDNC support GLP-1 and peptide drug trials?
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Yes — it's our core focus. Protocol-aligned nutrition counseling and MNT, GI tolerability and side-effect management, lean-mass-preserving strategies, controlled-feeding menus, and adherence support built specifically around GLP-1 and peptide prescribing pathways.
2. How does dietitian support reduce participant dropout?
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Side effects are the leading cause of GLP-1 discontinuation, and discontinuation is lost data. Published evidence shows structured RD coaching reduces side-effect burden by roughly 64%, directly addressing the primary driver of participant dropout — protecting your retention and statistical power.
3. Are RDNC's dietitians trained for clinical research?
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Yes. Our RDs are GCP-trained, IRB-aligned, and research-experienced, documenting within your approved systems to FDA, IRB, and 21 CFR Part 11 standards.
4. What other clinical trials need dietitian support?
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Any trial with nutrition-sensitive endpoints: metabolic and SGLT2i studies, cardiovascular outcomes, diabetes interventions, renal diet studies, oncology, and any research where dietary confounders threaten data integrity.
5. Can RDNC support multi-site trials nationwide?
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Yes. With a nationwide network of licensed RDs across all 50 states and centralized multi-site coordination, we deliver consistent protocol adherence remotely through HIPAA-compliant telehealth — and scale up or down as enrollment patterns change.
6. How do RDNC dietitians integrate with our research teams?
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Our RDs embed directly into your study workflows via secure telehealth — collaborating with coordinators and investigators, documenting to your standards, and protecting protocol fidelity at every site.
RDNC made integrating Registered Dietitians into our research workflows seamless. Their team understood trial protocols from day one and delivered consistent, high-quality documentation across all our study sites.
— CLINICAL OPERATIONS DIRECTOR, CRO PARTNER
ABOUT RD NUTRITION CONSULTANTS
RD Nutrition Consultants (RDNC) is a national clinical nutrition services firm serving healthcare organizations across all 50 states. RDNC provides Registered Dietitian services to skilled nursing facilities, hospitals, health systems, behavioral health programs, home health agencies, assisted living communities, clinical research organizations, and telehealth platforms. With over 1,400 healthcare facilities served nationwide, RDNC can deploy a credentialed, background-checked Registered Dietitian within 72 hours of an emergency request. Every client is assigned a dedicated primary dietitian and a dedicated account manager. Services are available via HIPAA-compliant telehealth, tailored to each facility's census, budget, and care setting.
Contact: 888-502-2069 · Info@RDnutritionconsultants.com · rdnutritionconsultants.com
TRIAL INQUIRY
Request RD services for your trial.
Tell us about your study and we'll scope research-grade dietitian support around your protocol, population, and timeline. Our team responds within one business day.
888-502-2069
Info@RDnutritionconsultants.com
Response within 1 business day · 72-hour deployment for emergency needs
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