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ATG16L1 is involved in autophagy, a process that helps cells recycle parts. Also called: Autophagy-Related 16-Like 1 Cellular recycling meets gut immunity ATG16L1 is involved in autophagy, a process that helps cells recycle parts. It is stu…

FUT2 affects substances on the surfaces of the gut and other moist tissues and is studied in relation to the microbiome. Also called: Fucosyltransferase 2 The mucosal and microbiome connection Dr. Purser’s course places FUT2 in its gut–immu…

IL16 encodes interleukin-16, a cytokine involved in attracting and influencing immune cells, including CD4-expressing cells. Its recruitment role helps separate it from other numbered interleukins. Also called: A cytokine involved in immun…

See how homocysteine connects to cysteine and glutathione. Follow seven simple steps, explore the side routes, and tap a word or building block to learn more. Also called: Transsulfuration, Transsulphuration, Sulfur pathway, Cysteine synthe…

Explore eotaxin-1, CCR3, eosinophils, allergy, and respiratory and neurological conditions. Understand the connection CCL11, also called eotaxin-1, guides eosinophils toward tissues by signaling through CCR3. Eosinophils are immune cells i…

…plore interleukin-6, C-reactive protein (CRP), the acute-phase response, rheumatoid arthritis, and related health conditions. Understand the connection IL-6 is an immune messenger that participates in inflammation, infection responses, and…

Explore high mobility group box 1, damage-associated molecular patterns (DAMPs), TLR4, RAGE, and cellular stress. Understand the connection HMGB1 normally helps organize DNA inside a cell. When it is released outside injured or stressed ce…

… Bedridden to Thriving: Our Real Fibromyalgia Journey We just published a raw and honest blog post on Substack featuring Chantel (Chicky), Denise, and Lois as they open up about living with fibromyalgia — the flares, the wins, the setbacks…

What if the biggest breakthroughs in autism support aren’t coming from symptom management alone? In our latest article, we dive deep into what we’ve seen consistently in practice: how genetic variants (especially MTHFR and related SNPs) ca…

Years ago, I watched cystic fibrosis (CF) patients receive nebulized glutathione that didn’t seem to help. Decades later, our team developed and patented the first fully functional, reduced, and stable form — VARS Glutathione. Why does thi…

🚨 Tired? Foggy? Achy? 🚨 You might be missing something big—and your standard blood test won't catch it. 👀 We’re talking about the CMA (Cellular Micronutrient Assay)—a super-accurate test that looks inside your cells to find deficiencies…

I have to announce our updated pricing as we’ve crossed into the New Year. The new pricing for testing and consults are available here: https://danpursermd.com/pricing REMINDER: With genetic and intracellular testing bundles, we can work …