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Still, excessive intake above 400 mcg a day from food and supplement sources combined -- can be problematic because it can lead to selenium toxicity, which can cause hair loss, gastrointestinal upset, and other health issues

[DOI] [PMC free article] [PubMed] [Google Scholar] 719.Kuhn DM, Geddes TJ

Maehara practices preventive and integrative medicine as a fellowship-trained, anti-aging regenerative medicine physician

Liang K, Zhong W, Wei M et al (2023) Surface Engineering of MoS 2 Quantum Dots via Cyclodextrin-Based HostGuest Chemistry as Versatile Platforms for Enhanced Cell Imaging Application

You might need blood tests to check your B12 levels and see how your health is doing

doi: 10.1152/ajpcell.00168.2013 166 Jarosz-GriffithsH
