Transferrin saturation — lab reference
Calculated from iron and TIBC. Fasting and timing improve consistency.
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What’s searchable?Ferritin — lab reference
Acute-phase reactant. Menstruation, menopause, inflammation, liver disease, and iron therapy matter.
Vitamin B12 — lab reference
<150 supports deficiency; 150-400 is often treated as borderline and may warrant MMA/homocysteine review.
Folate, serum — lab reference
<4.0 suggests deficiency. Recent intake or supplementation may raise serum values.
Methylmalonic acid — lab reference
More specific for cellular B12 deficiency; kidney impairment can elevate.
Homocysteine, total — lab reference
No universal wellness target. Ask your clinician to read this result with B12, folate, B6, kidney, thyroid, genetics, and medications.
Haptoglobin — lab reference
Acute-phase reactant; used in hemolysis evaluation with LDH, bilirubin, and reticulocytes.
Soluble transferrin receptor — lab reference
Can help distinguish iron deficiency from inflammation; use performing-lab interval.
Erythropoietin — lab reference
Interpret relative to hemoglobin, oxygenation, and kidney function.
25-hydroxyvitamin D, total — lab reference
<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
1,25-dihydroxyvitamin D — lab reference
Not a routine vitamin D status test. Ask your clinician to read this result with calcium, phosphorus, kidney function, and PTH.
Vitamin B1, whole blood TDP — lab reference
Fasting and supplement abstention improve interpretability.
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