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Ask your clinician to read this result with kidney function, calcium, vitamin D, and PTH.

More specific for cellular B12 deficiency; kidney impairment can elevate.

No universal wellness target. Ask your clinician to read this result with B12, folate, B6, kidney, thyroid, genetics, and medications.

Can help distinguish iron deficiency from inflammation; use performing-lab interval.

<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.

Not a routine vitamin D status test. Ask your clinician to read this result with calcium, phosphorus, kidney function, and PTH.

Reagent-specific. Ask your clinician to read this result with INR, liver function, vitamin K, and anticoagulants.

Ask your clinician to read this result with calcium, phosphorus, magnesium, vitamin D, and kidney function.

…ther nutrition is adequate. A narrow diet can leave gaps in vitamins, minerals, and amino acids even when weight appears average or high. He discusses appropriate nutrient assessment alongside feeding support and the impact of deficiencies …

…r its treatment. Follow the pathway Dr. Purser discusses B vitamins, amino acids, magnesium, and mitochondrial energy in the context of neurotransmitter synthesis and nutrient deficiencies. He explores how a documented deficiency can add f…

…, breathing during sleep, and health conditions. A nutrient deficiency can be one consideration when persistent insomnia is evaluated. Follow the pathway Dr. Purser discusses magnesium, B vitamins, amino acid building blocks, and antioxida…

…e, absorption, medicines, or another condition. Follow up a deficiency with a plan tailored to the exact test rather than using someone else’s combination of results.