{"id":33330,"date":"2023-01-12T23:23:06","date_gmt":"2023-01-12T23:23:06","guid":{"rendered":"https:\/\/www.humnutrition.com\/blog\/?p=33330"},"modified":"2023-01-19T22:19:53","modified_gmt":"2023-01-19T22:19:53","slug":"gut-health-and-weight-loss","status":"publish","type":"post","link":"https:\/\/www.humnutrition.com\/blog\/gut-health-and-weight-loss\/","title":{"rendered":"Could Your Gut Health Be the Key to Long-Term Weight Loss?"},"content":{"rendered":"

The state of your gut impacts everything from your skin and stress to your mood and immunity. But is there a solid link between gut health<\/a> and weight loss<\/a>? We consulted gut health experts and the latest research to find out.<\/em><\/p>\n\n\n

There\u2019s no denying how influential the gut microbiome is on overall health. This colon-dwelling community of trillions of bacteria, fungi, and other microorganisms (some of which are good and protective, some of which not) plays a role in brain function and mood<\/a>, sleep quality<\/a>, skin health<\/a>, healthy aging<\/a>, immune system function, and inflammation<\/a>.\u00a0<\/p>\n\n\n

Generally speaking, greater microbial diversity in the gut\u2014and an abundance of \u201cgood\u201d bacteria in relation to \u201cbad\u201d\u2014is associated with positive health outcomes. On the other hand, low microbial diversity and an overabundance of harmful microbes (aka gut dysbiosis) may drive dysfunctional processes and adverse effects.<\/p>\n\n\n

But how important is gut health for weight loss? While there’s not a clear cause-and-effect relationship, the interplay between the gut and a person\u2019s diet and lifestyle influences a variety of processes that could make healthy weight loss<\/a> harder or easier. Below, we’re highlighting key findings on gut health and weight loss\u2014plus how the gut impacts metabolic health, cravings, and more. Plus: expert tips to optimize your gut’s microbial diversity for weight loss and wellness at large.<\/p>\n\n\n

5 Fascinating Ways Your Gut Microbiome Could Impact Your Weight<\/h2>\n\n\n

The gut microbiome may impact weight from several different angles. \u201cWhat we observe in the early research is that our microbiome is connected to our weight status, our inflammatory status, and potentially even our cravings,\u201d says Desiree Nielsen, RD<\/a>, a dietitian specializing in gut health and inflammation<\/a>. (However, she adds that much of this research is in animal models and has yet to be confirmed in humans.)<\/p>\n\n\n

Still, findings on gut health and weight loss is exciting. They support the notion that the gut microbiome may be a modifiable factor that can positively influence weight management. Here’s what we know to date:<\/p>\n\n\n

1. A microbially diverse gut may help counter weight gain<\/h3>\n\n\n

We can\u2019t say with certainty which specific gut bacteria are associated with weight gain. However, \u201cA more diverse and abundant microbiota is associated with lower long-term weight gain,\u201d says Kelsey Russell Murray, RD<\/a>, founder of Gut Healthy Dietitian<\/a>.<\/p>\n\n\n

In one study on 123 non-obese and 169 obese Danish individuals, those who had fewer gut microbial genes<\/a> present in their stool (an indicator of gut bacterial richness or diversity) were characterized as having greater overall fatty tissue, insulin resistance, abnormal blood lipid levels, and inflammation compared to those with greater bacterial richness. The individuals with obesity and<\/em> low bacterial richness were also more likely to gain weight over time.<\/p>\n\n\n

2. A leaky gut drives inflammation, which can promote fat storage and inhibit weight loss<\/h3>\n\n\n

The gut lining consists of a single layer of epithelial cells coated with a protective mucus layer that prevents pathogenic bacteria and toxins from entering the bloodstream… but this only works when the gut is in balance. Eating excess sugar<\/a> and fat<\/a>, experiencing chronic stress<\/a>, and taking antibiotics<\/a> can all lead to alterations in the gut microbiome that erode this layer, allowing invaders such as lipopolysaccharides (LPS) to cross into circulation. Moveover, consuming a diet low in fiber<\/a> causes gut bacteria that would normally break down fiber<\/a> to break down the gut\u2019s mucosal layer instead, promoting a leaky gut<\/a>.\u00a0<\/p>\n\n\n

So how might this inhibit weight loss? It likely starts with inflammation. \u201cIncreased circulating levels of LPS, which are fragments from certain types of bacteria, are associated with chronic inflammation<\/a> and potentially insulin resistance,\u201d says Nielsen. Normally, insulin is released after a meal and prompts cells to take up glucose from the bloodstream to keep levels in a safe range. But when this process is inefficient due to inflammation, blood glucose rises, forcing the body to pump out even more insulin to compensate. In turn, elevated insulin levels can suppress fat breakdown and promote fat storage<\/a>.<\/p>\n\n\n\n

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3.\u00a0 Your gut influences the secretion of appetite-suppressing hormones<\/h3>\n\n\n

According to Nielsen, gut bacteria are in constant contact with our nervous system and can influence appetite and satiety<\/a> in several ways. For example, when you regularly consume fiber-rich foods, beneficial bacterial species in your gut proliferate and ferment these fibers, resulting in the production of metabolites called short-chain fatty acids (SCFAs) such as acetate, butyrate, and propionate.<\/p>\n\n\n

These SCFAs offer beneficial effects, such as:<\/p>\n\n\n\n