Antioxidant effects of fermented sea tangle (Laminaria japonica) by Lactobacillus brevis BJ20 in individuals with high level of γ-GT: A randomized, double-blind, and placebo-controlled clinical study

► Antioxidant effect of fermented sea tangle (FST) was evaluated in clinical study. ► The FST increased antioxidant enzyme activities and decreased MDA level. ► The FST might be useful as an ingredient of functional foods.