Highlights
• Tea-derived l-theanine inhibited AGE production in d-galactose-induced aging rats.
• l-Theanine increased FoxO1 expression and antioxidative enzymes in aged livers.
• l-Theanine could reduce oxygen free radicals and maintain the redox balance.
• l-Theanine supplementation could protect against age-related liver damage.
https://www.sciencedirect.com/science/article/pii/S0531556519306643