Nevertheless, Vajro et al. assessed the role of Lactobacillus rhamnosus in 20 children with obesity, increased alanine-aminotransferase (ALT), and the suspicion of hepatic steatosis, assessed by ultrasound, and noticed a significant decrease of ALT in children who were supplemented with this probiotic [70]. This evidence concerns the gene GPT and obesity due to melanocortin 4 receptor deficiency.