COMT Gene: Catechol-O-Methyltransferase

The COMT gene encodes an enzyme that breaks down catecholamines—neurotransmitters including dopamine, epinephrine, and norepinephrine. This gene significantly influences stress response, cognitive function, and pain sensitivity.

What Does the COMT Gene Do?

COMT enzyme adds a methyl group to catecholamines, effectively deactivating them. The speed of this breakdown affects how long these neurotransmitters remain active in the brain, influencing mood, focus, and stress response.

Key COMT Variants

rs4680 (Val158Met): The 'Warrior' vs 'Worrier' variant. Val/Val (GG) = fast COMT, better stress resilience but lower baseline dopamine. Met/Met (AA) = slow COMT, higher dopamine but more stress sensitivity.

Health Impacts

• Stress resilience and anxiety susceptibility
• Cognitive performance under pressure
• Pain perception and sensitivity
• Estrogen metabolism
• Response to caffeine and stimulants

Evidence-Based Recommendations

• Slow COMT (Met/Met): Stress management crucial, limit caffeine
• Fast COMT (Val/Val): May benefit from moderate stress challenges
• Support methylation with B vitamins and magnesium
• Consider adaptogens for stress support
• Regular exercise to regulate dopamine levels

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