THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Heavy metals, blood or urine — lab reference”

A RELATED COURSEBlood sugar & daily energy

4 chapters, at your pace

Explore the course
Explore all 2 matching courses

680 resources for your curiosity65 matching listings grouped; alternative sources stay available.

What’s searchable?
Gene referenceSep 23, 2026

HRH1

Some search terms matched

…eptor H1 Receiving the histamine signal The Purser genetics reference places HRH1 in the histamine-response part of the MCAS discussion. H1 receptors help mediate histamine effects; they are not the enzymes that make histamine or break it d…

Gene referenceSep 23, 2026

HRH2

Some search terms matched

…stamine also connects to stomach acid Dr. Purser’s genetics reference connects HRH2 with histamine signaling and gastric acid secretion. H2 is a receptor, so this teaching concerns response to a signal rather than histamine production by HD…

Gene referenceSep 23, 2026

IL21

Some search terms matched

…ecific clinical interpretation? Variant IDs in the teaching reference: rs13119723, rs6822844 Also called: IL-21, Interleukin 21 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss …

Gene referenceSep 23, 2026

IL23R

Some search terms matched

…tory condition being discussed? Variant IDs in the teaching reference: rs10889677, rs11209026, rs1343151, rs7517847 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily …

Gene referenceSep 23, 2026

MAOA

Some search terms matched

…oose a supplement dose for you. Variant IDs in the teaching reference: rs1137070, rs2072743, rs6323 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Tri…

Gene referenceSep 23, 2026

MTHFD1

Some search terms matched

…oose a supplement dose for you. Variant IDs in the teaching reference: rs1076991, rs2236225 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VARS…

Gene referenceSep 23, 2026

MTHFD1L

Some search terms matched

…ing the pieces together Follow the connection to folate availability and the cellular processes that use one-carbon units. The pathway provides context, but it cannot tell you from the gene name alone whether homocysteine is elevated or how…

Gene referenceSep 23, 2026

MTHFR

Some search terms matched

…oose a supplement dose for you. Variant IDs in the teaching reference: rs1801131, rs1801133, rs2066470, rs4846049 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily an…

Gene referenceSep 23, 2026

MTR

Some search terms matched

…oose a supplement dose for you. Variant IDs in the teaching reference: rs1805087 Where the VARS Triad and MTHFR Daily fit If you are exploring homocysteine or cytokines, Dr. Purser may discuss MTHFR Daily and the VARS Triad: VARS Glutathion…

Gene referenceSep 23, 2026

MTRR

Some search terms matched

…ogether. A gene result does not measure how much B12 is available in your tissues. A question to bring to your visit Which current findings show whether this pathway needs attention now, and are several products duplicating B12 or folate? R…

Search looks for your words in titles, descriptions, available articles, learning guides, and video captions when available. The closest matches appear first. Duplicate posts are grouped, with links to other places you can read or watch them. Books, chapters, and reports have topic guides here; the original files and full book text are not available in this encyclopedia. Subscriber posts include a title and public summary; open Substack to read the full post.