🧬 MTHFR Mutations, High Homocysteine & Autoimmune Disease: The Hidden Root Cause Most Doctors Miss
For decades, patients with RA, lupus, MS, Hashimoto’s, and fibromyalgia chase symptom relief with meds that never fix the underlying fire.
According to Dr. Dan Purser MD (a leading homocysteine expert), the missing link for many is MTHFR gene variants (common in ~85% of people). These impair folate processing → elevated homocysteine → massive inflammation and cytokine storms (IL-6, TNF-α, IL-17, etc.).
High homocysteine (>10-12 µmol/L; ideal <7-8) acts like a "cytokine amplifier," driving Th17 skewing, oxidative stress, low glutathione, and flares like fevers, painful rashes, joint pain, and fatigue. Standard treatments often worsen the cycle by depleting nutrients further.
The Purser Method approach (based on 12+ years of data):
Test MTHFR (22-SNP panel) + homocysteine + intracellular nutrients
Targeted methylated folate (5-MTHF), B12, B6, TMG, NAC, glutathione support
Lifestyle: anti-inflammatory diet, sleep, stress management
Results in his cases: big drops in homocysteine/IL-6, reduced symptoms, and many patients tapering meds.
This isn’t fringe — it’s biochemistry. If you or someone you know struggles with autoimmune issues, getting proper testing could be game-changing.
Read the full article here: https://danpursermd.substack.com/p/mthfr-mutations-elevated-homocysteine
Always consult your doctor before making changes. What’s your experience with MTHFR or homocysteine testing? 👇






