What is the proof supporting probiotics as a weight-loss aid?

Probiotics are one of the most often used nutritional supplements. They’ve been linked to a variety of health advantages, including increased gut health and immunological function.

Probiotics have also been linked to weight loss in some studies.

However, there are questions about the safety of probiotic supplements when they are widely used. probiotic for weight loss

This Special Feature delves into the latest research on probiotics and body weight.

Body weight and gut microbiota

Researchers have discovered a link between body weight and the gut microbiomeTrusted Source, which refers to the gut’s whole habitat, which includes microorganisms like bacteria, their genomes (genes), and their surrounding environment. 

There are over 1,000 different species of bacteria. 

The intestines are populated by Bacteroidetes, Firmicutes, Actinobacteria, Fusobacteria, Verrucomicrobia, Proteobacteria, and Cyanobacteria.

These bacteria carry out duties that have an impact on one’s general health. Changes in bacterial composition can have negative health consequences, including illness.

Changes in gut flora composition, for example, may contribute to overweight and obesity in a variety of ways, including increased insulin resistance, inflammation, and fat accumulation, according to researchersTrusted Source. probiotic for weight loss

It’s worth noting that research in this area is still underway, and scientists aren’t sure how changed gut bacteria contributes to obesity.

However, research has revealed that persons who are overweight or obese have a distinct gut flora composition than those who are not. probiotic for weight loss

Is it true that probiotics can help you lose weight?

Probiotic supplementation has been demonstrated to enhance weight loss and prevent weight gain in people, according to studies. probiotic for weight loss

Probiotic supplementation resulted in more substantial decreases in body weight, waist circumference, body fat, and BMI than control groups, according to a 2018 systematic review and meta-analysis that comprised twelve randomized controlled trials (RCTs) and 821 individuals.

Participants that got higher probiotic doses and single strain probiotics rather than mixed strain probiotics lost more body fat. probiotic for weight loss

A meta-analysis and systematic review were published in 2019.

Probiotic medication reduced body fat, waist circumference, and BMI, according to a study published in Trusted Source that contained 105 publications and 6,826 individuals. probiotic for weight loss

Treatments comprising bifidobacteria (Bifidobacterium breve, Bifidobacterium longum), Streptococcus salivarius subsp. thermophilus, and lactobacilli were shown to be the most effective (L. acidophilus, L. casei, and L. delbrueckii). probiotic for weight loss

Furthermore, some studies suggests that probiotics may aid in weight loss prevention.

When compared to males who took a placebo, men who supplemented with the multi-strain probiotic VSL#3 acquired less weight (3.12 vs. 5.06 lbs) and body fat (1.39 vs. 2.83 lbs) when following a hypercaloric, high-fat diet for four weeks gained less weight (3.12 vs. 5.06 lbs).

ResearchersTrusted Source think that probiotics may promote weight loss by:

  • increasing the amount of short-chain fatty acid (SCFA)Trusted Source producing bacteria, which increase fatty acid oxidation and decrease fat storage
  • decreasing inflammation by reducing the abundance of lipopolysaccharide (LPS) producers
  • influencing appetite and metabolism
  • reducing fat accumulation probiotic for weight loss
  • regulating pro-inflammatory genes
  • improving insulin sensitivity

Nonetheless, it’s crucial to remember that research on the effects of probiotics on weight loss is still underway. Despite the fact that scientists have narrowed down various ways in which probiotics affect weight, the exact mechanisms are still unknown. probiotic for weight loss

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