THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “IL-13 & genetic variants”

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FacebookMar 18, 2020

To help stay healthy it is important to maintain proper methylation. I’ve had so many people ask me what the…

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…tion of ATP (the currency cells utilize as energy). Certain genetic mutations passed down through generations cause deficiencies in the enzymes regulating this process. The most common mutation is the MTHFR (methylenetetrahydrofolate reduct…

YouTubeJan 6, 2026

Glutathione and Your Ability To Detox?

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Your body’s ability to detox depends on one critical pathway—turning homocysteine into glutathione. But for millions with MTHFR or other genetic SNPs, this process is broken, leaving them vulnerable to toxins, inflammation, and cytokine storms. That’s why VARS Glutathione is such a breakthrough: it’s reduced, functional, and proven to lower harmful cytokines like IL-8 and MCP-1, giving your body the detox power it needs. After 15 years of research and real patient results, it’s the only oral glutathione that actually works where it matters—inside your cells.

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YouTubeJan 5, 2026

What Causes Chronic Fatigue Syndrome?

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Do you know what causes chronic fatigue? Dr. Purser explains the top causes of Chronic Fatigue Syndrome (CFS) and shares what steps to take to feel normal again. Discover why CFS is a symptom of underlying conditions and what the treatment of underlying causes of CFS includes. Dr. Purser dispels the myth of medication deficiency related to CFS symptoms. Discover the relationship of nutritional deficiencies, hormone imbalance, and poorly understood genetic causes from MTHFR deficiency to fatigue. Learn what contributes to fatigue when the absorption of Vitamin B12, folate, pantothenate, and oth

Gene referenceSep 23, 2026

HFE

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HFE helps 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.

Gene referenceSep 23, 2026

NAT2

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NAT2 encodes N-acetyltransferase 2, which helps process certain drugs and other compounds. Combinations of variants can influence acetylation status; one SNP usually does not tell the entire story.

Gene referenceSep 23, 2026

CD40LG

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CD40LG encodes CD40 ligand, which binds CD40 and supports communication needed for effective antibody responses. It is on the X chromosome, which changes how some genetic results must be interpreted.

Gene referenceSep 23, 2026

F9

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F9 encodes coagulation factor IX. Disease-causing variants can result in hemophilia B, an inherited bleeding disorder, but a panel marker is not equivalent to a confirmed disease-causing finding.

Gene referenceSep 23, 2026

RAD50

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RAD50 encodes a DNA-repair protein. The surrounding genomic region also contains regulatory elements relevant to the nearby IL4, IL5 and IL13 cluster, so a locus association can concern more than the coding function of one gene.

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