Zeaxanthin
Also known as: E161h
Zeaxanthin is a naturally occurring carotenoid important for macular health. The European Commission authorized synthetic zeaxanthin as a novel food ingredient (Decision 2013/49/EU; Regulation 2018/1132 update).
What it is
Zeaxanthin, a yellow-orange xanthophyll carotenoid found in maize, paprika, saffron, and many leafy greens.
Food colorant (yellow-orange) and source of macular pigment.
Why it's flagged
- High-dose supplementation may yellow skin (carotenodermia)
- Limited very-long-term safety data
What regulators actually say
"The Panel concluded that the use of synthetic zeaxanthin as a novel food ingredient at a maximum level of 2 mg/day for adults is safe."
Regulatory status
United States — FDA
Permitted in dietary supplements; not a certified color additive for foods broadly.
European Union — EFSA
Synthetic zeaxanthin authorized as novel food in supplements (Reg. 2018/1132).
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