https://pubmed.ncbi.nlm.nih.gov/10798217/Antitumor activity of astaxanthin and its mode of action - PubMed (nih.gov)  https://pubmed.ncbi.nlm.nih.gov/10470126/A comparison of the anticancer activities of dietary beta-carotene, canthaxanthin and astaxanthin in mice in vivo - PubMed (nih.gov)  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6210693/Effects of Astaxanthin on the Proliferation and Migration of Breast Cancer Cells In Vitro - PMC (nih.gov)  https://www.sciencedirect.com/science/article/abs/pii/S0024320502015229Contribution of the antioxidative property of astaxanthin to its protective effect on the promotion of cancer metastasis in mice treated with restraint stress - ScienceDirect  https://www.mdpi.com/2072-6694/12/9/2425Cancers | Free Full-Text | Carotenoids in Cancer Apoptosis—The Road from Bench to Bedside and Back (mdpi.com)  https://www.sciencedirect.com/science/article/abs/pii/S1043661819327367Astaxanthin anticancer effects are mediated through multiple molecular mechanisms: A...

 https://www.timesgazette.com/2020/03/04/is-it-a-cure-for-cancer-and-more/Is it a cure for cancer and more? - The Times Gazette   https://pubmed.ncbi.nlm.nih.gov/32962073/Antitumour Effects of Astaxanthin and Adonixanthin on Glioblastoma - PubMed (nih.gov)