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THE PURSER WELLNESS REFERENCE

Understand your lab vocabulary.

205 approved laboratory references. Explore the exact ranges, units and context from Dr. Purser’s adult baseline.

15 entries

Vitamins, Minerals, and Nutrient Status

1,25-dihydroxyvitamin D — lab reference

Not a routine vitamin D status test. Interpret with calcium, phosphorus, kidney function, and PTH.

Vitamins, Minerals, and Nutrient Status

25-hydroxyvitamin D, total — lab reference

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

Vitamins, Minerals, and Nutrient Status

Ceruloplasmin — lab reference

Acute-phase reactant; interpret with serum/urine copper and clinical context.

Vitamins, Minerals, and Nutrient Status

Coenzyme Q10 — lab reference

Interpret with lipid level, supplementation, and performing-lab interval.

Vitamins, Minerals, and Nutrient Status

Copper, serum — lab reference

Estrogen, pregnancy, inflammation, liver function, and ceruloplasmin affect values.

Vitamins, Minerals, and Nutrient Status

Iodine, urine — lab reference

Spot urine is useful mainly for populations; individual status requires careful collection and interpretation.

Vitamins, Minerals, and Nutrient Status

Magnesium, RBC — lab reference

No universal interval across methods. Record exact performing-lab method and range.

Vitamins, Minerals, and Nutrient Status

Omega-3 index / RBC fatty acids — lab reference

Method-specific. Any clinic target should identify the exact assay.

Vitamins, Minerals, and Nutrient Status

Selenium, serum — lab reference

Trace-metal collection and geographic/dietary context matter.

Vitamins, Minerals, and Nutrient Status

Vitamin A, retinol — lab reference

Fasting, liver function, inflammation, and carrier proteins matter.

Vitamins, Minerals, and Nutrient Status

Vitamin B1, whole blood TDP — lab reference

Fasting and supplement abstention improve interpretability.

Vitamins, Minerals, and Nutrient Status

Vitamin B6, plasma PLP — lab reference

Recent supplementation can elevate; very high values may be clinically relevant.

Vitamins, Minerals, and Nutrient Status

Vitamin C, plasma — lab reference

Highly preanalytic-sensitive. Fasting, processing, and recent intake matter.

Vitamins, Minerals, and Nutrient Status

Vitamin E, alpha-tocopherol — lab reference

Interpret relative to lipids when appropriate; assay-specific.

Vitamins, Minerals, and Nutrient Status

Zinc, serum — lab reference

Fasting, time of day, inflammation, albumin, and trace-metal collection technique matter.

These pages adapt the Purser educational materials into plain language. They are educational summaries, not individualized assessments or a claim of independent medical review.