Homocysteine, total — lab reference
No universal wellness target. Ask your clinician to read this result with B12, folate, B6, kidney, thyroid, genetics, and medications.
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What’s searchable?Soluble transferrin receptor — lab reference
Can help distinguish iron deficiency from inflammation; use performing-lab interval.
Vitamin A, retinol — lab reference
Fasting, liver function, inflammation, and carrier proteins matter.
Zinc, serum — lab reference
Fasting, time of day, inflammation, albumin, and trace-metal collection technique matter.
Copper, serum — lab reference
Estrogen, pregnancy, inflammation, liver function, and ceruloplasmin affect values.
Reduced glutathione (GSH) — lab reference
Ask your clinician to specify whole blood, RBC, plasma, or intracellular method. Preanalytic handling is critical.
Oxidized glutathione (GSSG) — lab reference
The test method and how the sample is protected after collection can affect this number.
GSH/GSSG ratio — lab reference
This ratio is useful only when both measurements were made using a reliable paired method.
Superoxide dismutase activity — lab reference
RBC, plasma, and cellular assays are not interchangeable.
Homocysteine: how the story developed
Understand why homocysteine became a health topic and why lowering a blood number is not the same as preventing disease.
Understanding homocysteine and its pathways
See the two main routes for processing homocysteine and what may affect a blood result.
Genes in the homocysteine conversation
Learn how to read a specific genetic variant before drawing conclusions about homocysteine.
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