These two validated screeners have been completed over 1 million times by individuals seeking to understand their diet. Get instant, science-based feedback in just 5 minutes.
A Web Pioneer: When we launched these tools online in 1997, most people were still using dial-up modems. 28 years later, we're still here—making nutrition science accessible to everyone.
Scientifically validated tools that provide instant personalized feedback
Find out if you're eating too much fat. The average American consumes more fat than recommended for optimal health. See how your diet compares and get personalized suggestions for improvement.
📊 Measures: Total fat percentage, saturated fat intake
Start Free Assessment →Experts recommend 5+ servings of fruits and vegetables daily, plus 20-30 grams of fiber. Find out if you're meeting these targets and learn how to improve your intake.
📊 Measures: Daily servings, fiber grams, nutrient density
Start Free Assessment →You collect the data. We provide the analysis.
Deploy validated dietary assessment tools in your study. Get instant access to analysis algorithms that have processed over 1 million assessments. Available in multiple languages with proven reliability across diverse populations.
These dietary screeners were developed by Dr. Gladys Block using data from the National Health and Nutrition Examination Survey (NHANES). They've been validated in peer-reviewed studies.
These assessments are completely anonymous. We don't collect personal information or store your results. You can take these screeners as often as you like to track your progress.