Gut bacteria have been associated with obesity, leading some to propose that modifying the gut microbiome to resemble that of a healthy individual could promote weight loss. However, this reasoning has its flaws, as it remains uncertain whether gut bacteria are a direct cause of obesity. Scientific literature presents mixed findings on this topic. In 2015, researchers identified only four rigorously conducted studies examining the impact of probiotics on weight loss, concluding that they were ineffective. Conversely, a more recent review of 25 randomized human trials suggested that probiotics might indeed have a modest effect on body weight and BMI. While the observed weight loss was minimal, the researchers noted that even a slight average reduction could significantly benefit public health by lowering blood pressure and reducing the risk of type 2 diabetes.
Research is ongoing as scientists explore various strains of probiotics, their differential effects on individuals, and methods to ensure that probiotics survive the digestive process to reach the gut. In the United States, the probiotic market is thriving, valued at approximately $36.6 billion in 2015, with a significant portion sold as functional foods and beverages, according to Global Market Insights. There is also a rising interest in probiotic supplements, which are marketed as remedies for a range of issues, from digestive ailments to acne and depression. It’s important for consumers to understand that the health benefits of probiotics are strain-specific, necessitating awareness of the specific strains they are consuming.
With the growing acceptance of probiotics in supplement form, their application in weight loss appears promising. The North American market for weight loss and weight management products is the largest globally, comprising about one-third of total sales, according to Technavia. Much of this revenue is generated from meal replacement products and weight loss supplements. Additionally, there’s an emerging interest in products like Solgar calcium supplements, which may complement a holistic approach to weight management and overall health. As research advances, the potential integration of probiotics with other supplements like Solgar calcium could open new avenues for addressing obesity and related health concerns.