Tools
Resources
Free Tools
Company
Contact Us
Dr. Gladys Block – NCI Pioneer • UC Berkeley Professor Emerita • 357 Publications

We Created the Gold Standard
in Nutrition Assessment

The Block Method, developed by Dr. Gladys Block at NCI in 1984, didn't just improve dietary assessment—it defined how it's done worldwide. Today, our validated tools are trusted by NASA, NIH, US Military, and most leading universities. Your data stays yours—always.

1M+
Assessments
3,000+
Studies
40
Years of Validation
Find Your Tool See How It Works
Peer-Reviewed

Validated Tools

40 years of validation data. Short and long forms for adults and children. Among the most widely cited dietary assessment methods worldwide.

Comprehensive

Complete Analysis

200+ nutrients, USDA food groups, all major dietary indices. Instant participant reports plus analysis-ready datasets.

100% Ownership

Your Data, Your Control

Independent, family-owned company. No institutional claims on your data. HIPAA-compliant infrastructure with complete sovereignty.

Every NASA astronaut completes our comprehensive dietary assessment before space missions • We developed the FFQs that flew aboard MIR and ISS

Choose Your Delivery Method

Digital tools for instant results or traditional paper forms for field work

Digital Platform

Choose your preferred method:

  • Data-on-Demand: Our web portal—participants login, complete online, get instant results
  • RESTful API: Integrate directly into your apps and systems
  • REDCap/Qualtrics: Use your existing survey platform
Real-time • Mobile-friendly • Instant downloads

Paper & Mail

The traditional approach, perfected:

  • Scannable booklets: Ship anywhere in the US or Canada
  • Mail-in processing: We handle all scanning and analysis
  • No tech required: Perfect for elderly or rural populations
3-week turnaround • Rush available • Forms returned

Choose Your Assessment Tool

Validated tools for every research need

Comprehensive

Adult FFQs

Full-length food frequency questionnaires. Block 2014, 2005, 1998 versions. 25-40 minutes. 200+ nutrients. Generate all dietary indices.

View Adult Tools →
Pediatric

Kids Tools

Ages 2-17. Brief Kids Screener (used in ABCD). Full-length Kids 2-7 and Kids 8-17 FFQs (used in ECHO). Parent or self-report options.

View Kids Tools →
Quick

Adult Brief Screeners

5-10 minute targeted assessments. Fat, calcium, fruits/vegetables, sodium, added sugars. Perfect for large studies.

View Screeners →
View All 20+ Tools
NASA NIH US Military CDC Kaiser Permanente UC System Harvard Johns Hopkins Stanford Tufts

Powering Landmark Studies

Study Participants Tool Used
NASA Space Program All astronauts Block FFQ
ABCD Study 50,000+ children Kids Screener
REGARDS 30,000+ Block 2014
Strong Heart Study Multi-decade Block FFQ
MS Microbiome International Block 2014
ECHO Consortium 50+ cohorts Multiple tools
Sister Study 50,000+ women Block FFQ
US Military All branches Block FFQ
4,000+
Research Publications
See Publications →

Papers mentioning our tools on Google Scholar

Simple Process, Powerful Results

1

Choose Tool

Select validated questionnaire or get our recommendation

2

Pick Delivery

Digital platform or traditional paper forms

3

Collect Data

Participants complete assessments

4

Get Results

Complete nutrient analysis delivered

Plus: Evidence-Based Intervention Platform

Evidence-based diet and physical activity intervention—build it into your research

ALIVE! Platform

20 years of research, proven effective in multiple RCTs

Flexible
12-52 weeks
Custom
Diet, Activity, or Both
RCT
Proven Effective

Highly Customizable Platform:

  • ✓ Adjust duration: 12, 24, 36, or 52 weeks
  • ✓ Choose focus: diet only, activity only, or both
  • ✓ Automated delivery reduces research staff burden
  • ✓ Build into your intervention grants
Learn About ALIVE! →

Ready to Get Started?

Join thousands of researchers using the gold standard in dietary assessment

Contact Our Team View Pricing