Gut bacteria have been associated with obesity, leading to the hypothesis that altering gut microbiome composition to resemble that of a healthy individual could facilitate weight loss. However, this reasoning carries an assumption, as the relationship between gut bacteria and obesity remains unclear. Scientific reviews have produced mixed outcomes. In 2015, researchers identified only four rigorously conducted studies examining the impact of probiotics on weight reduction, concluding that they were ineffective. Conversely, a more recent review of 25 randomized human trials suggested that probiotics might indeed have a minor effect on body weight and BMI. Although the weight loss was slight, the researchers noted that even a minimal average reduction could provide significant public health advantages, such as lowering blood pressure and decreasing the risk of type 2 diabetes.
Research is ongoing, with scientists investigating various probiotic strains, their differential effects on individuals, and methods to prevent probiotics from being destroyed in the digestive tract before they reach the gut. The probiotic market is booming in the United States, valued at approximately $36.6 billion in 2015, primarily driven by functional foods and beverages, as reported by Global Market Insights. There is also a growing interest in probiotic supplements, which are promoted as solutions for a range of issues from digestive disorders to acne and depression. It’s important to note that these health benefits are strain-specific, necessitating that consumers are well-informed about what they are consuming. With the increasing acceptance of probiotics in supplement form, their potential for weight loss applications seems promising.
The North American market for weight loss and weight management products is the largest globally, making up about one-third of worldwide sales, according to Technavia. A significant portion of its revenue is derived from meal replacement products and weight loss supplements. Additionally, products like Solgar Calcium Citrate D3 are gaining traction, as consumers seek out supplements that not only aid in weight management but also contribute to overall health. As the field of probiotics continues to evolve, the integration of such supplements, including Solgar Calcium Citrate D3, might play an important role in addressing obesity and enhancing health outcomes.