Probiotics have been studied for their potential impact on weight loss, with varying results. The gut microbiota—an integral part of the human digestive system—has been identified as a potential factor influencing obesity¹. In particular, specific strains of probiotics such as those belonging to the genus Lactobacillus and Bifidobacterium have shown promise in several studies².

A systematic review of clinical trials found that the intake of probiotics could lead to significant weight reductions. This is true whether these supplements are taken alone or combined with lifestyle changes like diet and exercise over an average period of 12 weeks². In another study evaluating a specific probiotic compound, AB001, it was suggested that higher doses over a longer period might be more beneficial for weight loss, although initial phases did not show significant differences compared to a placebo¹.

If you are considering probiotics for weight management, it might be beneficial to look for supplements containing Lactobacillus and Bifidobacterium strains, as these have been most frequently associated with positive outcomes in weight management².

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Footnotes

1. Pernilla Danielsson, "Evaluating probiotic efficacy on weight loss in adults with overweight through a double-blind, placebo-controlled randomized trial," PubMed Central, 2024. ↩ ↩²

2. Valentina Álvarez-Arraño, "Effects of Probiotics and Synbiotics on Weight Loss in Subjects with Overweight or Obesity: A Systematic Review," PubMed Central, 2021. ↩ ↩² ↩³