https://articles.mercola.com/sites/articles/archive/2021/03/29/what-is-kimchi-good-for.aspx?ui=42210682a9f532e62d4205500850cf31fb58fe001fe94cff753bd573acef4daf&sd=20201205&cid_source=dnl&cid_medium=email&cid_content=art2ReadMore&cid=20210329_HL2&mid=DM843182&rid=1119453569

fermented foods, kimchi

https://articles.mercola.com/sites/articles/archive/2015/12/14/kimchi-health-benefits.aspx