Understanding it
What migraines actually are
Migraines are not simply bad headaches. They're a neurological event involving blood vessel changes, nerve signaling, and inflammation, often with a phase of warning symptoms (aura), intense throbbing pain (usually one-sided), and sensitivity to light, sound, and smell. Nausea is common. Migraines can last hours to days and are often disabling. Recurring tension-type headaches are related but lower-intensity. Both tend to cluster in families and follow trigger patterns — hormonal shifts, stress let-down, certain foods, sleep changes, and histamine load — which is why the same person can go months without one and then have several in a week.
The roots
What might be causing it
Of any common complaint, migraine has one of the clearest genetic links. MTHFR variants (particularly C677T) raise homocysteine, which is strongly associated with migraine — especially migraine with aura. The methylation cycle also governs the production and clearance of neurotransmitters and the integrity of blood vessel lining. Mitochondrial energy supply matters: the brainstem regions involved in migraine are energy-sensitive, and shortfalls in CoQ10, riboflavin, and magnesium lower the threshold at which a migraine triggers. COMT and DAO variants influence histamine load, a major dietary trigger. Oestrogen swings (perimenstrual, perimenopausal) interact with the same pathways, which is why hormonal migraines are so common. The trigger threshold model is key: genetics sets the threshold, and nutrient status, hormones, histamine, and stress decide whether each day's load crosses it.
The standard path
How it's usually treated
Modern migraine treatment has two arms. For acute attacks, triptans (sumatriptan, rizatriptan and others) are the standard prescription, working on serotonin receptors to constrict blood vessels and stop the attack. NSAIDs are used for milder attacks. For prevention, when migraines are frequent, daily medications are prescribed — beta-blockers (propranolol), anticonvulsants (topiramate, valproate), antidepressants (amitriptyline), or CGRP-targeting monoclonal antibodies for chronic cases. These can reduce frequency, but they act on the signaling and don't address the underlying homocysteine, mitochondrial, or magnesium shortfalls that lower the trigger threshold. Several are metabolized by CYP enzymes that vary genetically, and topiramate and others carry notable side-effect burdens. Many people cycle through several preventives before finding one that helps — and some never fully do.
A different angle
How genetic screening can help
Because migraine's nutrient roots are so well-mapped, genetic screening points to a genuinely targeted approach. MTHFR status identifies the homocysteine driver, guiding methylfolate and the right B12 where indicated — which for many people with MTHFR-related migraine meaningfully raises the trigger threshold. Riboflavin (B2) supports the mitochondrial energy the brainstem regions need; CoQ10 does the same; magnesium — which migraine sufferers are consistently shown to be low in — is matched to the right form. COMT and DAO variants flag histamine as a trigger, allowing a low-histamine phase during vulnerable periods rather than a permanent restriction. For many people, this nutrient stack reduces migraine frequency and severity enough that preventive medication becomes optional or lower-dose — and where a preventive or triptan is still the right choice, pharmacogenomic insight helps your doctor pick one your body metabolizes well, with fewer side effects, instead of cycling through several by trial and error.
This is educational support, not a diagnosis or a treatment plan. We help you understand genetic tendencies and support them with food, lifestyle and nutrients alongside your doctor.
