Which lab values are truly relevant for chronic fatigue?
Ferritin, vitamin B12, TSH and other markers can give important clues about possible causes.
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Over 200 biomarkers with reference ranges, clinical explanations and symptom-context framing – from single sample to long-term trend.
Ferritin, vitamin B12, TSH and other markers can give important clues about possible causes.
Open fatigue lab valuesA lab value becomes truly meaningful only together with symptoms, trends and related markers.
Read contextReference ranges, clinical meaning and action hints for every biomarker – clearly explained.
Browse biomarkersPacing, structured questionnaires and symptom tracking complement lab values in daily life.
Open pacing in daily lifeScan your lab report or enter values manually – across all labs.
Download the appPlace your values in the context of fatigue, PEM or pacing – instead of standing alone.
Open knowledge hubPeople rarely search for ferritin, CRP, or vitamin B12 without a broader question in mind. These pathways connect biomarker reading with ME/CFS, PEM, pacing, and structured assessments.
Fatigue
Use the fatigue hub when ferritin, vitamin D, B12, or thyroid-related questions are part of a larger exhaustion pattern.
PEM
Delayed worsening after activity often changes how symptom-related labs should be framed.
Questionnaires
Combine biomarkers with validated assessments instead of relying on lab values alone.
With Elara you log lab values right after your appointment and see trends at a glance – ferritin history, vitamin D curve, inflammation markers side by side. No more paper chaos.
Elara connects lab values with symptoms, energy and crash patterns – so you no longer guess, you know.
Photograph your lab report or type values in directly – Elara detects unit and reference range.
Ferritin curve, vitamin D trend, CRP history – see at a glance whether values improve or worsen.
Does your ferritin drop correlate with bad energy days? Elara makes those connections visible.
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Medical note: This page is for general patient education and does not replace medical diagnosis or treatment. Lab values must be interpreted in clinical context by qualified medical professionals.
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