Study Finds Zeaxanthin May Boost Immune System Beyond Eye Health
A preclinical study published in 2025 in the journal Science Direct has identified the dietary carotenoid zeaxanthin as a potential enhancer of immune T-cell activity against cancer, according to a report published by NaturalNews.com on October 11, 2025. Researchers screened hundreds of dietary compounds and found that zeaxanthin, a pigment found in carrots, kale, and egg yolks, strengthened the T-cell receptor complex, improving signaling to CD8+ killer T cells. The findings were reported by a team at the University of Chicago [1].
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