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 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7281326/Clinical Applications of Astaxanthin in the Treatment of Ocular Diseases: Emerging Insights - PMC (nih.gov)  https://www.naturalproductsinsider.com/healthy-aging/astaxanthin-healthy-agingHealthy aging and astaxantin (naturalproductsinsider.com) https://pubmed.ncbi.nlm.nih.gov/35708049/Health benefits of astaxanthin against age-related diseases of multiple organs: A comprehensive review