Assessment of probiotic strain Lactobacillus acidophilus LB supplementation as adjunctive management of attention-deficit hyperactivity disorder in children and adolescents: a randomized controlled clinical trial.

Although the probiotics group’s mean score decreased from baseline with a mean change over 12 weeks in reaction time (RT) on correct trials in ms (− 3.9 ± 96.56) and the standard deviation of RT (variability) (− 7.3 ± 134.7) compared with those of the control group (0.58 ± 130.13 and 1.31 ± 115.06, respectively), this difference did not reach statistical significance.

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