Eye-Protective Antioxidant Nutrients
A blood sample simultaneously detects the core macular pigments (lutein, zeaxanthin), an indirect protector (lycopene) and the raw materials of the visual cycle (beta-carotene, retinol). More objective than a dietary questionnaire and closer to what your body has actually absorbed than a supplement label, it is the key tool for assessing your ocular antioxidant reserve and blue-light defence.
Worth testing if:
- You take eye-health supplements but are unsure of the effect
- Long hours in front of blue-light screens
- Frequently dry eyes and declining night vision
- You eat out often and eat relatively few vegetables
What this test is for
A blood sample simultaneously measures the core macular pigments (lutein, zeaxanthin), an indirect protector (lycopene) and the raw materials of the visual cycle (beta-carotene, retinol). More objective than a dietary questionnaire and closer to what your body has actually absorbed than a supplement label, it is the key tool for assessing your ocular antioxidant reserve and blue-light defence.
The macula sits at the centre of the retina and is only 5 mm across, yet it carries 90% of your sharp vision and colour discrimination. It has no blood vessels of its own, relying entirely on a natural yellow filter made of lutein and zeaxanthin to screen out high-energy blue light and neutralise oxidative stress. In medicine, the thickness of that filter is called macular pigment optical density (MPOD).
The problem is that the human body cannot synthesise these two carotenoids — they must come entirely from diet. When you take in eight hours or more of screen blue light and outdoor UV every day, a filter that isn't continuously replenished loses its defensive power like sunscreen slowly wearing thin. By the time signs of macular degeneration appear, pigment depletion has usually been accumulating for more than a decade. Measuring serum levels shows you the truth about your reserves before symptoms arrive.
Test items
5 biomarkers · 2 groups
Category
Lutein
Zeaxanthin
Lycopene
Beta-carotene
Retinol (Vitamin A)
Four steps to start your test
Order online, book a location
Choose your test and pick a blood-draw time and location that suits you as you order.
A 10-minute blood draw
When the time comes you just show up. A professional takes your sample — we handle the rest.
Accredited laboratory analysis
Samples are processed by accredited testing institutions and interpreted to standard protocols.
Digital report
Once complete, your report is uploaded to your personal account with values and reference ranges clearly marked.
Pair it with Body Decode for the full picture
This test isn't part of the core package. Build a whole-body baseline with Body Decode, then add this test on top for fuller health context
| Body Decode + this add-on | This test on its own | |
|---|---|---|
| Number of biomarkers | 68 + this test's 5 | This test's 5 only |
| Biomarkers on this page | ||
| Cross-system interpretation | ||
| Full-system integrated report | ||
| Advisor report walkthrough | ||
| Personalized action plan | ||
| 120-day check-ins |
Frequently asked questions
I already take a lutein supplement — isn't that enough?
Absorption of fat-soluble carotenoids is heavily influenced by gut bacteria, accompanying dietary fat, age and genotype; the same dose can produce serum levels that differ more than threefold between individuals. Taking it doesn't mean using it — the blood level is the real answer.
Only a serum test tells you whether your dose is genuinely enough.
My eyes feel fine — I'll start when something goes wrong
Depletion of macular pigment is gradual, and the path from falling pigment density to noticeable visual symptoms usually takes more than a decade to accumulate. By the time you see blur or distortion, structural change in the retina is often already irreversible.
Preventive testing is one of the few moments that can change the endgame.
Can't I just eat more carrots and tomatoes?
Carrots are rich in beta-carotene and tomatoes in lycopene, but neither is a direct raw material for macular pigment. Without dark green vegetables (kale, spinach, sweet potato leaves) supplying lutein and zeaxanthin, a gap can remain in your dietary structure.
Different nutrients cover different defence mechanisms and need assessing individually.
Surely more is better — the excess just gets flushed out?
Lutein, zeaxanthin, lycopene, beta-carotene and retinol are all fat-soluble, so any excess accumulates in the liver and fatty tissue. Preformed vitamin A in particular can cause liver toxicity and bone loss when overdone.
Testing avoids both errors — taking too much and taking too little.
I'm young — surely I don't need this yet?
Research shows that even healthy young people with eight or more hours of daily screen exposure have MPOD below the average for their age group. Building and depleting macular pigment is a long game, and establishing a baseline at 30 is far more useful than acting after 50.
Build the data while your eyes are still healthy, so change becomes visible.
Even if I'm deficient, isn't it too late to catch up?
Not at all. Clinical trials have shown macular pigment optical density (MPOD) to be one of the few nutritional markers that improves objectively within 8–16 weeks. Get the dose and the type right and your body responds — provided you know what you're short of.
Test → intervene → retest is a loop you can actually verify.