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Fucoxanthin

Low concern

Consumed naturally in edible brown algae. Animal studies suggest metabolic effects; human safety data at typical seaweed consumption levels show no significant adverse effects.

Found in

3 products

What it is

Carotenoid pigment found in brown seaweeds (e.g., Undaria, Laminaria) responsible for their brown color.

Natural pigment and bioactive compound; consumed primarily through edible seaweed.

Why it's flagged

concentrated supplements lack long-term human safety data

What regulators actually say

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Regulatory status

United States — FDA

Brown seaweed (source) is generally consumed as food; concentrated fucoxanthin supplements not specifically approved as food additive.

European Union — EFSA

Not authorized as a novel food additive in concentrated form.

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