Do I Have B12 Deficiency Quiz
Understand whether tiredness, tingling, or balance changes may relate to vitamin B12 in about 10 minutes. Get a free 15 question self check that flags common patterns and intake or absorption risks.
08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
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.
Below is a preview of how scores are typically distributed across each scale.
B12 Intake and Absorption Context (BIaAC)
B12 Intake and Absorption Context (BIaAC)
Average
5.1
Normal range
2.9 — 7.2
min.
0
max.
15
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Energy and Blood-Related Signs (EaBS)
Energy and Blood-Related Signs (EaBS)
Average
10.5
Normal range
8.2 — 12.8
min.
0
max.
15
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Neurological and Sensory Changes (NaSC)
Neurological and Sensory Changes (NaSC)
Average
9.3
Normal range
6.7 — 11.8
min.
0
max.
15
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
- There has been no noticeable new pallor or yellowish tone.
- I occasionally look slightly paler when tired or unwell.
- A pale or yellowish appearance has become noticeable or persistent.
- The change is pronounced, rapidly developing, or accompanied by marked weakness or breathlessness.
- A close relative has had pernicious anemia, but I have not been diagnosed with it.
- I have no known personal or close family history relevant to pernicious anemia.
- I have an autoimmune condition, such as autoimmune thyroid disease or type 1 diabetes, but no known pernicious anemia diagnosis.
- A clinician has identified pernicious anemia, intrinsic-factor problems, or autoimmune B12 malabsorption in me.
- A recent result was within the laboratory reference interval, with no newer concern raised.
- I have not had B12 tested, and no clinician has previously raised a B12 concern.
- I have previously had a borderline result or a low result that was treated and followed up.
- I have a recent low B12 result or related abnormal blood finding that has not yet been assessed or followed up.
WHAT THE TEST MEASURES
About This Assessment
Do I Have B12 Deficiency Quiz - Symptoms and Signs
Could tiredness, tingling, balance changes, or other symptoms be related to vitamin B12? This free, quick self-check reviews common symptom patterns and factors that may affect B12 intake or absorption. It cannot diagnose a deficiency because these experiences can have many causes; testing and assessment by a qualified clinician or specialist are needed. Seek urgent medical help for chest pain, fainting, severe breathlessness, sudden confusion, rapidly worsening weakness, or difficulty walking.
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