Effects of Acetic Acid Bacteria (Glu-conacetobacter hansenii GK-1) on Fatigue Induced by Temporary Mental Stress: A Randomized, Double-Blind, Place-bo-Controlled Study

Objective: This study assessed the effects of consuming acetic acid bacteria ( Gluconacetobacter hansenii GK-1) for 12 weeks on fatigue induced by tem- porary mental stress. Methods: This randomized, double-blind, placebo-con- trolled, parallel-group study included 100 healthy male and female adults aged 20 - 64 years. Participants consumed either the G. hansenii GK-1 supplement (9 × 10⁹ cells/day) or a placebo daily for 12 weeks. The impact of temporary mental stress on fatigue in G. hansenii...