Short answer: Carotenoid antioxidants that contribute to the formula's overall antioxidant profile — Zeaxanthin & Beta Carotene's specific, stated role.
Why carotenoids add a distinct antioxidant category
Alongside the plant-pigment antioxidants (anthocyanins, ellagitannins) and vitamin C, carotenoids like zeaxanthin and beta carotene contribute a genuinely different class of antioxidant compound.
Why "contribute to the overall profile" is careful, honest language
This phrasing frames these two ingredients as supportive additions rounding out a broader antioxidant strategy, rather than claiming an outsized, standalone effect.
💡 Worth knowing: antioxidant protection draws on multiple ingredient categories together — zeaxanthin and beta carotene are one part of this broader, multi-source approach.
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