Homocysteine: the cheap stroke marker that's rarely on the standard panel
An amino acid linked to cardiovascular risk and blood clots. Here's the evidence-based case for testing—and what functional medicine knows that your GP might not.
10 min read
30-40%
of people carry MTHFR gene variants
Genetics Home Reference
Good reasons to test
- Known MTHFR gene variant
- Family history of early cardiovascular disease
- B12 or folate deficiency
Targeted Testing
Homocysteine
The MTHFR connection marker
$79one-off, no subscription
- NATA-accredited pathology
- No GP referral needed
- Results in 3-5 business days
- Collect at 1,900+ centres
Why this test
Homocysteine testing promises cardiovascular insights—but the evidence for treatment is more complicated than the headlines suggest.
Popular in functional medicine circles, homocysteine is linked to MTHFR gene variants and B-vitamin status. While elevated levels are associated with cardiovascular risk, the value of treatment remains debated.
Understanding your results
Optimal
Your homocysteine is in the ideal range
Borderline elevated
May benefit from B-vitamin optimisation
Elevated
Worth discussing with your healthcare practitioner
Reference ranges vary by laboratory and personal context. Your result is shown against the lab's range in your dashboard, alongside what it means.
How it works
1
TODAY
Order online
Pick a test or panel and check out. No GP referral, no waiting room.
2
THIS WEEK
One quick visit
Walk into one of 1,900+ NATA-accredited collection centres. A single blood draw is all it takes.
3
IN 2–5 DAYS
Clear results
We translate your results into plain language in your dashboard - what each marker means, and what is in range.
4
ONGOING
Track over time
Retest when it matters and watch your trends, so you can see what is actually changing.
Complete your health picture
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Evidence-based articles from the Clarity Journal.
This information is for general education and is not medical advice, diagnosis, or treatment. Results are best interpreted with a qualified healthcare practitioner in the context of your symptoms and history.