This long-fermented yogurt with Lactobacillus gasseri is a high-quality functional probiotic. Thanks to a controlled fermentation of about 36 hours, it allows to obtain a very high bacterial concentration, much higher than that of traditional capsule probiotics. L. gasseri is a strain historically present in the human microbiota, especially in non-industrialized populations. Its decline is closely linked to the repeated use of antibiotics, ultra-processed food, and the general depletion of the modern intestinal flora. This bacterium has generated strong scientific interest due to its direct interaction with metabolism, inflammation, weight regulation, and its role in digestive balance. Its potential benefits include: - reduction of visceral fat and support for weight management - improvement of insulin sensitivity - modulation of intestinal inflammation - assistance in certain digestive imbalances (bloating, mild SIBO) - support for immunity and intestinal barrier Result: a thick, homogeneous, and stable yogurt, without separation, which acts as a powerful, living, and truly active homemade probiotic, designed to restore an intestinal flora closer to its natural state.