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Nutrition Quiz

Nutrition Quiz - Free Dietary Knowledge Test - FreudlyTake a free nutrition quiz to explore your nutrition knowledge and discover your results. Quick, no sign-up needed. Start now!en
With 16 questions to complete in about 10 minutes, this nutrition quiz checks practical knowledge of nutrients, food choices, labels, and everyday nutrition concepts. Your result highlights areas of strength and topics to review, giving you a focused starting point for informed self-reflection and further learning.
Questions: 1610 minutes
Nutrition Quiz: situation and reply bubbles
July 22, 2026July 22, 2026Material has been updatedJuly 22, 2026Material has been published
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781 completion
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Daniel HallPsychologist · Test reviewer
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Scale Explorer

How the Scales are Structured

Nutrition KnowledgeNK
Measures your overall understanding of nutrients, food labels, and practical everyday nutrition choices.
example score4/16
4/16Foundations to buildexample score
0 – 6Foundations to build
7 – 12Developing knowledge
13 – 16Strong knowledge
A score of 4 falls in the Foundations to build range, suggesting several core nutrition concepts may be unfamiliar and worth reviewing for a stronger baseline.
just completed the test
DATA-BASED USER COHORTS

Who Usually Takes This Test?

Health-conscious beginners
41%OF USERS
People who want to eat better and check how well they understand basics like nutrients, portions, and balanced meals.
Label-reading shoppers
34%OF USERS
Grocery shoppers who compare packaged foods and want to practice interpreting nutrition facts, ingredients, and common claims.
Fitness and meal planners
25%OF USERS
Active people planning meals around energy, protein, and recovery who want a quick reality check on everyday nutrition knowledge.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Shaded area — where most people score
Dot — the average
You — your score lands on each curve after the test— your score, after the test
Nutrition KnowledgeNK
You?
Average9.3
Typical rangeTypical7 – 11.5
Possible0 – 16
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SAMPLE QUESTIONS

Example Questions From the Test

    • Check the total carbohydrate percentage only
    • Read the “Includes Added Sugars” line under total sugars
    • Subtract the protein grams from the total sugar grams
    • Count how many sweeteners appear in the ingredient list
    • Unfortified sea salt
    • Raw leafy greens alone
    • B12-fortified foods or an appropriate B12 supplement
    • Unfortified fermented vegetables alone
    • Replace the butter with coconut oil
    • Replace the butter with shortening high in saturated fat
    • Replace the butter with additional cream
    • Replace the butter with olive oil
WHAT THE TEST MEASURES

Nutrition Quiz - Description and methodology of the test

People who want to check practical food knowledge can use this nutrition quiz to examine everyday decisions about nutrients, labels, portions, and food choices. It is suitable for learners and curious adults who want a clear snapshot before reviewing a topic. A nutrition test with answers can make strengths and gaps easier to notice, turning the result into a focused starting point for study.

What This Assessment Explores

This assessment measures practical nutrition knowledge rather than eating habits or personal health. Its items cover nutrient functions, food choices, labels, portions, preparation, and storage. The nutrition test questions use familiar situations, so the result points toward concrete areas for review.

The result is organized into four learning areas:

  • Nutrient roles and sources show whether you connect vitamins, minerals, fats, protein, and B12 with functions or foods.
  • Food choice and meal composition indicate recognition of fiber, protein, energy density, unsaturated fat, and balance.
  • Labels and portions test interpretation of added sugars, servings, calories, sodium, and whole-grain wording.
  • Food safety and preparation cover rinsing beans, improving iron absorption, and refrigerating leftovers.

Nutrition Knowledge is scored from 0-16: Foundations to build (0-6), Developing knowledge (7-12), or Strong knowledge (13-16). This educational result describes the covered topics, not diet quality or medical need.

Methodology and Scientific Basis

As a self-report learning tool, the questionnaire presents selected-response nutrition questions and answers, with one best option for each situation. The displayed total summarizes performance across the items and gives score bands, but it does not specify how many points each answer contributes, so no more detailed scoring rule should be inferred.

The closest conceptual reference is the General Nutrition Knowledge Questionnaire-Revised (GNKQ-R; Kliemann et al., 2016). This online questionnaire is conceptually consistent with that instrument, but it is not presented as an adaptation of it. Earlier work by Parmenter and Wardle (1999) and validation work by Jones et al. (2015) support organizing nutrition knowledge into practical domains and using structured questions. Those studies do not establish reliability, validity, norms, or cutoffs for this version.

Interpret the result as an educational snapshot of the topics sampled. A higher band suggests stronger command of covered concepts, while a lower band identifies subjects to revisit. In practice, this basic nutrition knowledge test is affected by attention, prior education, memory, and the honesty of self-report; it cannot establish a person's diet, health, or medical needs.

Literature:
  • Kliemann N, Wardle J, Johnson F, Croker H. Reliability and validity of a revised version of the General Nutrition Knowledge Questionnaire. European Journal of Clinical Nutrition. 2016;70(10):1174-1180. 10.1038/ejcn.2016.87
  • Parmenter K, Wardle J. Development of a general nutrition knowledge questionnaire for adults. European Journal of Clinical Nutrition. 1999;53(4):298-308. 10.1038/sj.ejcn.1600726
  • Jones AM, Lamp C, Neelon M, Nicholson Y, Schneider C, Wooten Swanson P, Zidenberg-Cherr S. Reliability and validity of nutrition knowledge questionnaire for adults. Journal of Nutrition Education and Behavior. 2015;47(1):69-74. 10.1016/j.jneb.2014.08.003

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