Acetate is the most abundant SCFA in the colon and makes up more than half of the total SCFA detected in feces.
Adult Gut Health Test
The Adult Gut Health Test provides detailed insights into the balance of beneficial and harmful microorganisms in your microbiome, including their relative abundances. With advanced shotgun metagenomics technology, this test delivers strain-level precision and offers valuable information about the functional capacity of your gut, from digestion efficiency to potential signs of inflammation. Designed specifically for adults, this test helps you better understand your gut health and its impact on overall well-being.
Biomarkers in this category
8 biomarkers · optimal ranges shown
Actinobacteriota, formerly known as Actinobacteria, is a significant phylum within the gut microbiota that plays a crucial role in human health. On an adult gut health test, Actinobacteriota serves as a marker for assessing various aspects of gut function, including digestion, immune regulation, and the production of beneficial metabolites. This phylum is well known for containing bacterial genera such as Bifidobacterium, which are associated with positive health outcomes, including the production of short-chain fatty acids (SCFAs), modulation of inflammation, and inhibition of harmful pathogens. One of the primary functions of Actinobacteriota in the gut is its involvement in carbohydrate metabolism. Many species within this group are adept at breaking down complex carbohydrates and fibers, which are not digestible by human enzymes, into SCFAs like acetate and butyrate. These metabolites serve as an energy source for colon cells, help maintain the integrity of the gut lining, and contribute to a balanced inflammatory response. Therefore, a healthy level of Actinobacteriota on a gut health test is often seen as indicative of a diet rich in fiber and prebiotics, which supports overall gut health. However, an imbalance in Actinobacteriota levels can be a marker of gut dysbiosis, a condition where the microbial community in the gut is disturbed. Low levels of beneficial bacteria like Bifidobacterium may indicate poor digestion of fiber, reduced SCFA production, and a higher risk of inflammatory conditions such as irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD). Conversely, an overgrowth of certain Actinobacteriota species, particularly pathogenic strains, could be associated with conditions like small intestinal bacterial overgrowth (SIBO) or contribute to metabolic disorders. In conclusion, Actinobacteriota is a key marker on adult gut health tests that provides valuable insights into digestive health, microbial balance, and overall well-being. Maintaining a balanced level of this microbial group is essential for optimal gut function and health.
Beta-glucuronidase is an enzyme produced by various types of bacteria in the gut and plays a key role in gut health. It is involved in the process of deconjugation of glucuronides, which are compounds formed in the liver to help detoxify substances like hormones, toxins, and drugs. Once these glucuronides reach the gut, beta-glucuronidase can break them down, leading to the reabsorption of the substances that were previously detoxified, which can have both beneficial and harmful effects depending on the compounds involved. Beta-glucuronidase activity serves as a biomarker for the bacterial metabolism of toxins, drugs, and endogenous substances like hormones. Elevated levels of this enzyme in the gut can suggest dysbiosis, or an imbalance of gut bacteria. High beta-glucuronidase activity is often linked to increased risk of conditions like colon cancer and hormone-related diseases (such as estrogen dominance), as the enzyme may facilitate the reabsorption of harmful substances that were meant to be excreted. For example, the enzyme can reverse the detoxification of estrogen, leading to higher circulating levels, which can contribute to hormonal imbalances. On the other hand, low beta-glucuronidase activity may indicate suboptimal bacterial activity, potentially pointing to a lack of healthy gut flora or reduced detoxification capacity. This could mean that the gut is not effectively recycling beneficial compounds or clearing toxins. A balanced level of beta-glucuronidase activity is typically associated with a healthy, functioning gut microbiome that maintains a proper balance between detoxification and reabsorption processes.
Bifidobacterium is a genus of bacteria that plays a critical role in the health of the adult gut microbiome. It is often highlighted as a key marker in gut health tests due to its beneficial effects on digestion, immune function, and overall well-being. Bifidobacteria are among the first microbes to colonize the human gut during infancy, but their presence in the gut typically decreases with age, diet changes, and other factors. In an adult gut health test, the presence or absence of Bifidobacterium can indicate important insights into the balance of the microbiome and its potential impact on overall health. One of the primary benefits of Bifidobacterium is its role in the fermentation of dietary fibers into short-chain fatty acids (SCFAs), particularly acetate, propionate, and butyrate. These SCFAs provide energy to colon cells, maintain gut barrier integrity, and reduce inflammation. Low levels of Bifidobacterium on a gut health test may be associated with digestive issues, such as bloating, irregular bowel movements, or a weakened immune system, as this bacteria is known for its ability to inhibit the growth of harmful pathogens. Additionally, Bifidobacterium has been associated with improving the balance between "good" and "bad" bacteria in the gut. It promotes a healthy microbial ecosystem by producing lactic acid, which lowers the gut's pH and creates an environment that is less favorable for harmful bacteria. A deficiency in Bifidobacterium might suggest dysbiosis, an imbalance in the gut microbiome that has been linked to conditions like irritable bowel syndrome (IBS), metabolic disorders, and even mental health issues, such as anxiety and depression. Gut health tests that highlight Bifidobacterium levels are valuable for identifying imbalances and offering dietary or probiotic recommendations to help restore healthy levels. If levels are low, increasing fiber intake, fermented foods, or taking Bifidobacterium-containing probiotics can often help improve gut function and overall well-being.
Butyrate is a short-chain fatty acid (SCFA) that plays a critical role in maintaining gut health, and its measurement can be an important marker on adult gut health tests. Produced by the fermentation of dietary fibers by beneficial gut bacteria, butyrate is primarily generated in the colon and acts as a key energy source for colonocytes, the cells lining the colon. By providing fuel for these cells, butyrate helps maintain the integrity of the gut barrier, preventing harmful substances from passing into the bloodstream and triggering inflammation. Low levels of butyrate on a gut health test could suggest a disruption in the balance of gut bacteria, often referred to as dysbiosis, which can contribute to various gastrointestinal disorders like irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD). In addition to its role in nourishing colon cells, butyrate has strong anti-inflammatory and immune-modulating properties. It helps regulate the immune response in the gut, preventing excessive inflammation that can lead to chronic diseases. It also supports the production of regulatory T cells (Tregs), which are essential for maintaining immune tolerance and preventing autoimmune conditions. High levels of butyrate-producing bacteria are often associated with a healthier gut environment and may protect against metabolic conditions like obesity and type 2 diabetes. Thus, measuring butyrate levels can provide insight into both local gut health and broader systemic conditions. On a gut health test, butyrate levels can serve as an indicator of fiber intake and the presence of beneficial bacteria, such as Faecalibacterium prausnitzii and Roseburia. A healthy diet rich in prebiotic fibers, such as whole grains, fruits, and vegetables, can promote the production of butyrate and improve overall gut health. Conversely, low butyrate levels might signal a need for dietary adjustments or probiotic supplementation to restore a healthy balance of gut flora.
short-chain fatty acid
Vitamin B7, also known as biotin, is a crucial water-soluble vitamin that plays a significant role in various metabolic processes, particularly in supporting skin, hair, and nail health. In the context of an adult gut health test, Vitamin B7 serves as a marker that can offer insights into digestive health, nutrient absorption, and microbial balance in the gastrointestinal (GI) tract. Biotin is synthesized by certain beneficial gut bacteria, such as Bacteroides species. A healthy gut microbiome produces biotin, and its levels can indicate the balance of gut flora. If biotin levels are low on a gut health test, it might suggest dysbiosis, which is an imbalance of beneficial and harmful bacteria in the gut. This imbalance could interfere with the body's ability to synthesize and absorb biotin properly, leading to deficiencies that affect overall health. Conversely, healthy biotin levels reflect a balanced microbiome capable of supporting the body's metabolic needs. The measurement of Vitamin B7 in a gut health test can also highlight issues related to malabsorption. For instance, people with certain conditions, such as Crohn's disease, celiac disease, or long-term antibiotic use, might have compromised gut health, leading to insufficient absorption of biotin and other nutrients. Tracking Vitamin B7 levels can help identify whether the gut is functioning optimally in absorbing essential vitamins and minerals.
Xylooligosaccharides (XOS) are prebiotics, a type of non-digestible carbohydrate that is fermented by gut bacteria to promote the growth of beneficial microorganisms, such as Bifidobacterium and Lactobacillus. These compounds are derived from plant-based sources, including fruits, vegetables, and wood, and are considered highly effective in supporting a healthy gut microbiome. In a gut health test, measuring levels of Xylooligosaccharides could indicate the abundance of certain bacteria that are capable of breaking them down and producing beneficial byproducts like short-chain fatty acids (SCFAs). SCFAs, such as butyrate and acetate, play a crucial role in maintaining gut lining integrity, modulating immune function, and promoting anti-inflammatory processes. A healthy balance of XOS and the bacteria that thrive on them is often associated with improved digestive health, reduced bloating, and enhanced nutrient absorption. Low levels of Xylooligosaccharides utilization on a gut health test might indicate a suboptimal composition of gut bacteria, particularly a deficiency in strains that help in maintaining a diverse and balanced microbiome. This could suggest that dietary interventions, such as increasing fiber intake or incorporating prebiotic-rich foods, may be beneficial to restore gut health. Alternatively, elevated Xylooligosaccharide breakdown could be a sign of overactivity in certain gut bacteria, which might be associated with excessive fermentation, leading to gas, bloating, or other digestive discomforts. Therefore, tracking this marker helps tailor dietary and probiotic recommendations for optimal gut health. In some cases, elevated levels of XOS fermentation may also reflect a diet that is too high in fermentable prebiotics or fiber-rich foods, overwhelming the gut's capacity to process them efficiently. While prebiotics like XOS are beneficial for gut health, an excess can sometimes disturb the microbial balance, leading to discomfort for certain individuals, especially those with conditions like small intestinal bacterial overgrowth (SIBO) or irritable bowel syndrome (IBS).