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Everything You Need to Know to Get Started

For over 40 years, we've delivered the gold standard in dietary assessment. Same validated Block questionnaires analyzing 200+ nutrients, two proven delivery methods.

NIH • 3,000+ Studies • 1M+ Assessments
Used in landmark studies: ABCD (50,000+ children) • REGARDS (30,000+ adults) • ECHO (20,000+ children and adults)

Choose Your Delivery Method

Both methods deliver the same validated assessments with comprehensive nutrient analysis

Digital Platform

Modern, flexible, instant

Our Data-on-Demand system delivers questionnaires online with instant analysis. Multiple integration options to fit your workflow.

Best For

Remote studies with participants across locations. Real-time data collection for ongoing monitoring. Studies requiring immediate analysis.

1
Choose access method (our website, or REDCap/Qualtrics, or your app)
2
Participants complete questionnaire online
3
The platform analyzes responses instantly
4
Get analysis results via our dashboard or API

Paper Forms

Traditional, reliable, accessible

Traditional scannable booklets shipped to researchers for distribution. Proven method for populations without reliable internet access.

Best For

Rural health studies, elderly populations, group settings like classrooms. Clinical settings where paper documentation is required.

1
Order booklets
2
We ship to you for distribution to participants
3
Collect & mail completed forms to NutritionQuest
4
Receive CSV results files and respondent reports within 3 weeks

The Data-on-Demand System

The heart of our digital platform - in continuous use since 1998

Data-on-Demand (DoD) System

Our centralized analysis engine processes all digital questionnaire responses instantly. Whether participants access questionnaires through our website, your custom application, or your REDCap/Qualtrics platform, all data flows through DoD for validated nutrient analysis. The system calculates over 200 nutrients and food groups in under one second, delivering both participant reports and research-ready datasets.

Choose ONE access method:

OPTION 1

Direct Web Access

Participants complete questionnaire on our secure portal. Zero setup required. Works on all devices.

OPTION 2

REDCap/Qualtrics

Use your existing platform. We provide setup instructions for seamless integration.

OPTION 3

Your App/Website

Embed questionnaires directly into your platform using our API. Full white-label support.

Optional Advanced Features
These features are bonus options for organizations with IT staff.

RESTful API - Automation Tools

OPTIONAL

If your organization has IT staff, they can use our API to automate workflows and eliminate manual processes. The API provides programmatic access to all the same functions available in our web interface, enabling seamless integration with your existing systems.

Create Accounts
Generate participant accounts programmatically
Instant Retrieval
Pull analysis results directly to your database
Streamline Workflow
No manual downloads or data entry

View API Documentation →

REDCap & Qualtrics Integration

Already using REDCap or Qualtrics? Perfect. We provide detailed setup instructions to configure your platform for seamless Data-on-Demand integration. Your participants complete questionnaires in your familiar system while all nutrient analysis happens through our validated DoD engine. Use our API to automatically send responses and retrieve results, or manually upload data files through the DoD portal.

How Your Data Flows

From participant responses to complete nutrient analysis

1. Collection

FFQ Responses

Digital or Paper

Response Data

2. Processing

Data-on-Demand

Nutrient Analysis

Calculations

3. Results

200+ variables

Nutrients and Food Groups

Delivery

4. Delivery

CSV Export

Reports & Dashboard

What You Get

Complete analysis files ready for your research

Analysis Datasets

  • 200+ individual nutrients per participant
  • USDA MyPlate food group servings
  • Optional dietary indices (HEI, AHEI, Mediterranean, etc.)
  • Glycemic index and glycemic load
  • Physical activity metrics (if applicable)
  • All data in CSV format for statistical software

Participant Reports

  • Individual nutrition report for each participant
  • Visual charts comparing intake to recommendations
  • Personalized dietary guidance
  • PDF format for easy distribution
  • Optional Spanish translations available
  • Customizable with your study branding

Research Support

  • Codebook with variable definitions
  • Methods text for publications
  • Citation guidelines for proper attribution
  • Dashboard for tracking completion rates
  • Technical support throughout your study
  • Optional additional analyses available

Ready to Start Your Research?

Choose your tools and delivery method. We'll guide you through setup.

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