THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “25-hydroxyvitamin D, total — lab reference”

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Gene referenceSep 23, 2026

SOD3

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SOD3 works outside cells as part of the body’s antioxidant defenses. Also called: Superoxide Dismutase 3 Superoxide defense in its own setting Dr. Purser teaches SOD as one member of an antioxidant team. SOD3 works outside cells and uses co…

Gene referenceSep 23, 2026

TCN2

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TCN2 helps carry vitamin B12 in the body. A gene result alone cannot tell you your B12 status. Also called: Transcobalamin II B12 must be carried as well as consumed TCN2 appears in Dr. Purser’s homocysteine and methylation map because it c…

Gene referenceSep 23, 2026

TNF

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TNF encodes tumor necrosis factor, an immune-signaling protein involved in inflammation, host defense and regulation of cell survival. Its name should not be read as proof that a TNF result indicates cancer. Also called: Tumor Necrosis Fact…

Gene referenceSep 23, 2026

VKORC1

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VKORC1 encodes vitamin K epoxide reductase, part of the vitamin K recycling system used in activating clotting proteins. It is not simply a vitamin K receptor. Also called: Vitamin K Epoxide Reductase Complex Subunit 1 Recycling vitamin K a…

Gene referenceSep 23, 2026

SLC19A1

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Encodes the reduced folate carrier, a protein involved in transporting folates into cells. Also called: RFC1, reduced folate carrier, folate transport Folate transport is part of the story Dr. Purser’s folate map includes transport as well …

Gene referenceSep 23, 2026

ALPL

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ALPL encodes tissue-nonspecific alkaline phosphatase, an enzyme important to bone and tooth mineralization and vitamin B6 metabolism. Persistently low alkaline phosphatase can deserve a different evaluation from a general nutrient deficienc…

Gene referenceSep 23, 2026

CCL11

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CCL11 encodes eotaxin-1, a chemokine best known for attracting eosinophils. Its receptor relationships connect it to allergic inflammation as well as broader research into immune signaling. Also called: Eotaxin-1 and eosinophil recruitment…

Gene referenceSep 23, 2026

CCL2

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CCL2 encodes MCP-1, a chemokine that attracts monocytes toward sites of immune activity. Recruitment is a different task from the cytokines that activate those cells once they arrive. Also called: MCP-1: recruiting monocytes CCL2 encodes M…

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