THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “Methylmalonic acid — lab reference”

530 resources for your curiosity18 matching listings grouped; alternative sources stay available.

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Gene referenceSep 23, 2026

GAD1

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…enzyme involved in producing GABA from glutamate. B6, amino-acid findings and the person’s medication history are relevant parts of that discussion. Putting the pieces together When you review a GAD1 result, your clinician may also look at …

Gene referenceSep 23, 2026

HRH2

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…d: Histamine Receptor H2 Histamine 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…

Gene referenceSep 23, 2026

MTHFR

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… the supplements you already take. If methylfolate, folinic acid or a form of B12 changes your sleep or mood, note the form, amount and timing. That response is useful history, not proof of a new diagnosis. A question to bring to your visit…

Gene referenceSep 23, 2026

PEMT

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…flux, stool changes, gallbladder history, choline and fatty-acid findings, and any past response to phosphatidylcholine. A PEMT variant alone does not diagnose fatty liver or a bile-flow problem. A question to bring to your visit How do my …

Gene referenceSep 23, 2026

SHMT1

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… Also called: Serine Hydroxymethyltransferase 1 Where amino acids meet folate SHMT1 connects serine and glycine with folate pathways. That is one reason both nutrition and genetics can come up in a folate conversation. Neither a gene result…

Gene referenceSep 23, 2026

MTHFS

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…FR or a direct maker of methylfolate. Also called: Folinic acid has its own processing step MTHFS encodes an enzyme that converts 5-formyltetrahydrofolate into 5,10-methenyltetrahydrofolate. This places it in folate interconversion; it is …

Health BlogSep 25, 2026

MTHFR C677T Symptoms & The Methylation Paradox: What Your Doctor Missed

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If you’ve been struggling with severe chronic fatigue, unexplained anxiety, or cardiovascular red flags, your genes might be trying to tell you something. Millions of patients walk out of traditional clinics with normal blood tests, only to be told their crippling symptoms are "all in their head." If you carry the C677T variant, you aren't crazy—you are dealing with a breakdown in cellular biochemistry. The Problem With Synthetic Folic Acid The standard advice from standard doctors is to take synthetic folic acid. For someone with the C677T genetic mutation, this is disastrous. Your enzyme pat

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