Every component below is broken down the same way: what it is, why a formula like iGenics would
include it, and an honest verdict on the strength of the evidence behind it.
Lutein & Zeaxanthin
What it is: Two carotenoid pigments that concentrate naturally in the
macula, the part of the retina responsible for sharp central vision.
Why it's included: They're the carotenoids studied in the NIH's AREDS2
trial and are commonly described as filtering high-energy blue light and supporting
antioxidant defense in the retina.
Verdict: Reasonably well-supported for people with
existing intermediate AMD; evidence for slowing early, non-diagnosed age-related decline
in the general population is weaker.
Bilberry Extract
What it is: An extract of Vaccinium myrtillus berries, rich in
anthocyanin antioxidants.
Why it's included: Traditionally associated with night vision and healthy
capillary function in the eye.
Verdict: Human clinical evidence is limited and mixed;
most robust support comes from older or smaller studies rather than large modern trials.
Ginkgo Biloba
What it is: A leaf extract widely sold for circulation and cognitive
support.
Why it's included: Proposed to improve microcirculation to the retina and
optic nerve, which is the rationale for including it in an eye formula.
Verdict: Some small trials suggest a possible benefit
for ocular blood flow; it isn't established as a standard treatment, and it can interact
with blood thinners.
Saffron Extract
What it is: An extract of Crocus sativus stigmas, a spice
ingredient increasingly studied for eye and mood-related effects.
Why it's included: Early research has explored saffron's antioxidant
effect on retinal cells and its potential role in visual function.
Verdict: Promising early-stage research, but studies
are still small; not yet a standard, guideline-backed eye treatment.
Zinc & Copper
What it is: A mineral pair, typically dosed together because high-dose
zinc alone can deplete copper levels.
Why it's included: Zinc is one of the core AREDS2 nutrients, involved in
transporting vitamin A within the retina; copper is added specifically to offset zinc's
depletion effect.
Verdict: The zinc-copper pairing is a well-established,
evidence-based design choice within the AREDS2 research — one of the sturdier parts of
this formula.
Turmeric (Curcumin)
What it is: An extract of turmeric root, used here partly as a natural
processing aid and partly for its own antioxidant properties.
Why it's included: Curcumin has broad anti-inflammatory research behind it
in general health contexts, which formulas extend — often speculatively — to eye
inflammation.
Verdict: Well studied for general inflammation; direct
evidence for eye-specific outcomes at supplement doses is thinner.