This 2013 study investigated the effects of Lactobacillus gasseri BNR17, a probiotic strain isolated from human breast milk, on obesity in C57BL/6J mice fed a high-sucrose diet. Over 10 weeks, mice receiving BNR17 (10⁹ or 10¹⁰ CFU/day) exhibited significant reductions in body weight gain and white adipose tissue mass compared