THE PURSER WELLNESS LIBRARY

Let’s explore C-peptide, fasting — lab reference

A COURSE FOR YOUR CURIOSITYGetting to know your micronutrients

5 chapters, at your pace

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470 discoveries for your curiosity17 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

GPX4

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Dr. Also called: Glutathione Peroxidase 4 Glutathione has enzyme partners Dr. Purser teaches the glutathione peroxidase family alongside selenium and antioxidant support. GPX4 helps illustrate protection involving lipid peroxides in membran…

Gene referenceSep 23, 2026

GSR

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GSR encodes glutathione reductase. It uses reducing power from NADPH to help convert oxidized glutathione back to reduced glutathione, allowing this antioxidant system to be reused. Also called: Glutathione Reductase Recycling used glutathi…

Gene referenceSep 23, 2026

GSTM1

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The practitioner course places GSTM1 in the glutathione transferase family. Also called: Glutathione S-Transferase Mu 1 Using glutathione in conjugation The practitioner course places GSTM1 in the glutathione transferase family. These enzym…

Gene referenceSep 23, 2026

GSTO1

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…ga family of glutathione S-transferases. These enzymes participate in redox chemistry, with roles that differ from the better-known GSTM1 and GSTP1 pathways. Also called: Glutathione S-Transferase Omega 1 An omega-family glutathione enzyme …

Gene referenceSep 23, 2026

GSTP1

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The practitioner course places GSTP1 in the glutathione transferase family. Also called: Glutathione S-Transferase Pi 1 Using glutathione in conjugation The practitioner course places GSTP1 in the glutathione transferase family. These enzym…

Gene referenceSep 23, 2026

GSTT1

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The practitioner course places GSTT1 in the glutathione transferase family. Also called: Glutathione S-Transferase Theta 1, GSTT Using glutathione in conjugation The practitioner course places GSTT1 in the glutathione transferase family. Th…

Gene referenceSep 23, 2026

HDC

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HDC is the gene symbol used for Histidine Decarboxylase. This page connects its terminology with the topics in the Purser Wellness teaching library. Also called: Histidine Decarboxylase Histamine production is one part of the circuit The Pu…

Gene referenceSep 23, 2026

HFE

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…elps regulate iron absorption through signaling that influences hepcidin. The commonly discussed C282Y and H63D variants correspond to rs1800562 and rs1799945. Their implications depend on the combination present and clinical findings. Also…

Gene referenceSep 23, 2026

HLA-DQA1

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HLA-DQA1 contributes to an HLA-DQ protein that presents antigen fragments to CD4 T cells. HLA-DQ function depends on pairing with an HLA-DQB chain, so an isolated marker is not a complete HLA type. Also called: HLADQA1, Human Leukocyte Anti…

Gene referenceSep 23, 2026

HLA-DQA2

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HLA-DQA2 is part of the HLA class II region involved in immune recognition. It should not be treated as interchangeable with HLA-DQA1 or as a measurement of how well the immune system fights infections. Also called: HLADQA2, Human Leukocyte…

Gene referenceSep 23, 2026

HRH1

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HRH1 is the gene symbol used for Histamine Receptor H1. This page connects its terminology with the topics in the Purser Wellness teaching library. Also called: Histamine Receptor H1 Receiving the histamine signal The Purser genetics refere…

Gene referenceSep 23, 2026

HRH2

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HRH2 is the gene symbol used for Histamine Receptor H2. This page connects its terminology with the topics in the Purser Wellness teaching library. Also called: Histamine Receptor H2 Histamine also connects to stomach acid Dr. Purser’s gene…

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