Antioxidant
Marigold Flower Extract
Also known as: Tagetes erecta extract, Mexican marigold extract, marigold lutein extract, FloraGLO
A standardized extract from marigold (Tagetes erecta) flowers that is a concentrated natural source of lutein and zeaxanthin carotenoids. Marigold extract is commonly used as the primary botanical source of lutein in dietary supplements.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Eye health and macular support
- Lutein and zeaxanthin source
- Antioxidant support
- Retinal health
How it works
- Delivers high bioavailable lutein and zeaxanthin content
- Carotenoid compounds act as ocular antioxidants and blue-light filters
- Accumulates in retinal tissue to support photoreceptor function
- Reduces lipid peroxidation in eye tissues
Dosage
- Typical range
- 6-20 mg lutein equivalents daily (from marigold extract)
- Timing
- With meals containing fat
- With food
- Required: fat-soluble carotenoid requiring dietary lipids for absorption
- Duration
- 6+ weeks to months for retinal accumulation; chronic use safe and appropriate
- Special populations
- Particularly beneficial for men 50+ and those at risk for macular degeneration
Forms
- FloraGLO marigold extract (standardized to 20% lutein)· 70/100
- General marigold flower extract· 70/100
- Co-extracted with zeaxanthin· 70/100
Safety
Common side effects
- None reported at recommended doses
- Mild gastrointestinal upset or yellow discoloration of skin at very high doses
Products containing Marigold Flower Extract
Top-scoring supplements in our catalog that list Marigold Flower Extract 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
Good evidence supports lutein/zeaxanthin from marigold extract for eye health, supported by AREDS2 and other RCTs. Marigold is a well-established, standardized botanical source.
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.