Carotenoid
Corn Extract (Zea mays)
Also known as: Zea mays extract, Corn leaf extract, Corn extract (leaf) (Zea mays), Maize extract
Extract from corn (Zea mays) rich in zeaxanthin and other carotenoids. Primarily used for eye health and macular support.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Eye health
- Macular support
- Antioxidant protection
- Blue light protection
How it works
- Provides zeaxanthin that concentrates in the macula
- Filters harmful blue light wavelengths
- Antioxidant protection against oxidative damage in retina
- Works synergistically with lutein for macular pigment density
Dosage
- Typical range
- 2-4mg zeaxanthin per day
- Timing
- With a meal containing fat
- With food
- Take with fatty meal for best absorption
- Duration
- Benefits build over 3-6 months of consistent use
- Special populations
- Safe for most adults; particularly beneficial for those at risk of macular degeneration
Forms
- Standardized Zeaxanthin Extract· 85/100
Safety
Common side effects
- Generally very well tolerated
Contraindications
- Corn allergy
Products containing Corn Extract (Zea mays)
Top-scoring supplements in our catalog that list Corn Extract (Zea mays) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
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Evidence notes
Strong evidence for zeaxanthin benefits in eye health, particularly macular degeneration prevention.
Grade B: Some human trials support key claims; further confirmation needed.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.