What is Methylation?
Methylation is happening in your body trillions of times per second. It's a simple chemical process where a "methyl group" (one carbon + three hydrogen atoms, or CH₃) is transferred from one molecule to another. But don't let the simplicity fool you—this tiny process controls:
- ✓ Energy production in your mitochondria
- ✓ Neurotransmitter creation (serotonin, dopamine, norepinephrine)
- ✓ Detoxification of heavy metals, chemicals, and hormones
- ✓ DNA repair and gene expression (epigenetics)
- ✓ Immune function and inflammation control
- ✓ Cardiovascular health and homocysteine regulation
If your methylation isn't working properly due to gene SNPs or nutrient deficiencies, NOTHING in your body works optimally.
Simplified Methylation Cycle
From Food to Cellular Function: The Methylation Journey
Folate (B9)
From food
MTHFR
Enzyme
5-MTHF
Active form
Homocysteine
Gets recycled
Methionine
Amino acid
SAMe
Methyl donor
Methylation!
Health happens
If you have MTHFR SNPs, this cycle breaks down. That's why standard folic acid doesn't work for you!
The Methylation Cycle
The main cycle that converts homocysteine back to methionine, creating SAMe (S-adenosylmethionine), your body's primary methyl donor.
- Requires: Folate (B9), B12, B6, B2
- Key enzymes: MTHFR, MTR, MTRR
- Produces: SAMe for methylation reactions
The Transsulfuration Pathway
Converts homocysteine into glutathione (your master antioxidant) for detoxification and cellular protection.
- Requires: B6, magnesium, selenium
- Key enzymes: CBS, CTH
- Produces: Glutathione for detox
Neurotransmitter Synthesis
Methylation is required to create serotonin, dopamine, norepinephrine, and melatonin—affecting mood, focus, and sleep.
- Requires: SAMe, B6, folate, zinc
- Key enzymes: COMT, MAOA, MAOB
- Produces: Balanced brain chemistry
Creatine Production
SAMe donates methyl groups to create creatine for muscle energy, brain function, and cellular ATP production.
- Requires: SAMe, glycine, arginine
- Key enzyme: GAMT
- Produces: Creatine for energy
Detoxification
Methylation helps break down and eliminate estrogen, heavy metals, chemicals, and other toxins from the body.
- Requires: Glutathione, SAMe, B vitamins
- Key processes: Phase 2 liver detox
- Produces: Eliminated toxins
Epigenetics & DNA Repair
Methylation turns genes on and off, repairs DNA damage, and controls how your genes are expressed throughout your life.
- Requires: SAMe, folate, B12
- Key process: DNA methylation
- Produces: Healthy gene expression
Common Methylation SNPs (Gene Variations)
Having these SNPs doesn't mean you're broken—it means you need DIFFERENT nutrients in DIFFERENT forms and dosages.
MTHFR C677T
Most common SNP. Reduces MTHFR enzyme activity by 30-70%. You MUST use methylfolate (5-MTHF), not folic acid. Can cause elevated homocysteine, cardiovascular risk, and poor detoxification.
MTHFR A1298C
Affects BH4 production, impacting neurotransmitter synthesis. Can cause anxiety, depression, and mood issues. Requires methylfolate + BH4 cofactors (riboflavin, magnesium).
MTR & MTRR
Affects B12 utilization and homocysteine recycling. Requires methylcobalamin (active B12), not cyanocobalamin. Can cause fatigue and neurological issues.
COMT
Controls breakdown of dopamine, norepinephrine, and estrogen. Slow COMT = anxiety, high estrogen. Fast COMT = low dopamine, ADHD. Requires personalized methylation support.
CBS
Up-regulated CBS can cause ammonia buildup and sulfur sensitivity. May need to LIMIT methyl donors and focus on ammonia clearance. Test before supplementing!
BHMT
Alternative pathway to recycle homocysteine using TMG (betaine). If impaired, you need more methylfolate and B12 support to compensate.
Visual Methylation Guides
Homocysteine Metabolism
How your body processes homocysteine through methylation and transsulfuration pathways.
Complete Methylation Pathways
The full interconnected methylation cycle showing all key enzymes, nutrients, and processes.
Hormone Synthesis Pathways
How methylation affects hormone production, metabolism, and thyroid function.
Discover YOUR Unique Methylation Patterns
Get tested to find out which SNPs you have and receive a personalized protocol designed specifically for YOUR genetics. No more guessing—just results.
Explore Methylation Testing