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Gut Markers

Trimethylamine (TMA) is a metabolite produced by gut bacteria during the breakdown of choline, carnitine, and lecithin—nutrients commonly found in meat, eggs, and dairy. In the liver, TMA is converted into Trimethylamine N-oxide (TMAO), a compound that has been linked to cardiovascular risk in several studies. Elevated TMA/TMAO levels may reflect high microbial conversion activity in the gut, imbalanced microbiota, or a diet rich in animal-based products. While research is ongoing, high TMAO has been associated with inflammation and impaired cholesterol metabolism. Balanced gut flora and plant-forward diets may help maintain healthy TMAO levels.

TMA / TMAO (Trimethylamine / Trimethylamine N-oxide)

Geotrichum candidum is a fungus commonly found in the environment, including soil, water, air, and certain foods. It is also a natural part of the human microbiota, typically residing in the gut and on the skin. While usually harmless, it can become opportunistic and cause infections in individuals with weakened immune systems.

Geotrichum candidum

Histamine (Stool) is a diagnostic marker used to evaluate allergic and inflammatory activity in the gastrointestinal tract. Histamine is a biogenic amine released by immune cells in response to allergens and plays a crucial role in inflammation. Elevated stool histamine levels may indicate conditions such as food allergies, inflammatory bowel disease (IBD), or mast cell activation, aiding in the diagnosis and management of related immune responses.

Histamine in Stool

Methane breath testing is a diagnostic method that measures the amount of methane gas produced by intestinal bacteria. Methane is produced by specific gut microbes during the fermentation of certain carbohydrates. Elevated methane levels in breath tests are associated with conditions such as Small Intestinal Bacterial Overgrowth (SIBO), fructose intolerance, and sorbitol intolerance, which can cause symptoms like bloating, constipation, abdominal pain, and changes in bowel habits.

Methane

Fecal occult blood (FOB) is a test that detects hidden blood in the stool, which cannot be seen with the naked eye. The presence of FOB can be an important sign of internal gastrointestinal bleeding, often occurring without obvious symptoms. FOB testing is a non-invasive method used to help identify potential underlying medical conditions affecting the digestive tract.

Fecal occult blood

The stool water content analysis is a test that measures the amount of water present in feces. This assessment is important for diagnosing conditions related to abnormal water absorption or secretion in the gastrointestinal tract. It helps identify causes of diarrhea, which may result from infections, inflammatory bowel diseases (IBD), irritable bowel syndrome (IBS), or malabsorption syndromes, where there is either excessive water secretion or insufficient absorption in the intestines.

Quantitative Determination of Water

The quantitative stool sugar test is a diagnostic tool that measures the amount of specific sugars in stool to evaluate carbohydrate malabsorption. It helps identify conditions such as lactose intolerance, fructose intolerance, and other disorders affecting sugar digestion and absorption. By detecting undigested sugars like lactose, fructose, or sorbitol in the stool, this test assists healthcare providers in determining which sugars the digestive system has difficulty processing, often associated with symptoms such as bloating, gas, diarrhea, and abdominal pain.

Quantitative Determination of Sugar

Hydrogen breath testing is a diagnostic tool that measures the amount of hydrogen in the breath, which is produced by bacterial fermentation in the intestines. This test is commonly used to identify conditions like Small Intestinal Bacterial Overgrowth (SIBO), fructose intolerance, and sorbitol intolerance. Elevated hydrogen levels suggest that undigested carbohydrates are being fermented by gut bacteria, which can cause symptoms such as bloating, diarrhea, and abdominal discomfort.

Hydrogen

Candida dubliniensis is a yeast species closely related to Candida albicans and can be part of the normal microbial flora in the gastrointestinal tract. Under certain conditions, such as weakened immunity, dysbiosis, or high sugar intake, it can overgrow and contribute to fungal imbalance and gastrointestinal symptoms. It is less common than C. albicans but shares many similar characteristics, including its ability to form biofilms and cause mucosal infections. Measuring its levels in stool helps assess fungal overgrowth and the balance of the gut mycobiome.

Candida dubliniensis

Yeast is a type of fungus naturally found in the human body, especially in the gut and on the skin. In normal amounts, it is harmless and part of a healthy microbiome. However, an imbalance can lead to overgrowth, which may cause various health issues. Factors like diet, antibiotic use, and overall health can influence yeast levels.

Yeast/fungus

The secretory IgA (sIgA) level indicates the amount of a key immune protein called Immunoglobulin A, primarily found in mucosal areas such as the intestines, respiratory tract, and saliva. Secretory IgA is essential in the body’s first line of defense by binding to pathogens and preventing their entry, helping to protect mucosal surfaces and support overall immune and gut health.

Secretory IgA

Diamine oxidase (DAO) is an enzyme that helps break down histamine, a compound involved in immune function, digestion, and nervous system activity. Maintaining healthy DAO levels is important for regulating histamine balance and lowering the risk of histamine intolerance.

Diamin oxidase (DAO)

Alpha-1 antitrypsin (AAT) is a protein primarily produced by the liver that helps protect the lungs and other organs from enzymes that cause inflammation. Measuring AAT levels in stool can help detect intestinal protein loss and inflammation, assisting in the diagnosis of gastrointestinal conditions such as inflammatory bowel disease and protein-losing enteropathy.

Alpha-1 antitrypsin

D-arabinitol is a sugar alcohol used as a biomarker in the body to help detect Candida infections. Elevated levels of D-arabinitol often indicate an overgrowth of Candida, especially in immunocompromised individuals. Measuring D-arabinitol provides a faster and less invasive way to diagnose systemic candidiasis compared to traditional culture methods.

D-arabinitol

The stool pH value measures the acidity or alkalinity within the intestines. It reflects the balance of metabolic processes such as fermentation and protein breakdown. A low stool pH often indicates increased fermentation of complex sugars by intestinal bacteria, which can acidify the stool. Conversely, a high stool pH may result from excessive protein metabolism, producing ammonia and other compounds that elevate the stool’s pH level.

pH value

Calprotectin is a protein found in white blood cells that acts as a marker of inflammation, especially in the gut. Measuring calprotectin levels in stool helps evaluate the extent of intestinal inflammation. This test is useful for diagnosing and monitoring inflammatory bowel diseases (IBD) such as Crohn’s disease and ulcerative colitis, and for distinguishing them from irritable bowel syndrome (IBS), which typically does not raise calprotectin levels.

Calprotectin

Zonulin is a protein that regulates the permeability of tight junctions between cells in the digestive tract. It plays a key role in maintaining the intestinal barrier by controlling the passage of substances, such as nutrients and antigens, from the gut into the bloodstream. Imbalances in zonulin levels can affect gut permeability, potentially contributing to various health issues.

Zonulin

The stool fat test is a diagnostic tool that measures the amount of fat expelled in stool samples. It is used to evaluate fat absorption and identify malabsorption syndromes. High fat levels in stool, referred to as steatorrhea, may indicate digestive or absorption problems within the gastrointestinal tract. This test helps diagnose conditions such as pancreatic insufficiency, cystic fibrosis, celiac disease, and Crohn’s disease.

Quantitative Determination of Fat

Faecalibacterium prausnitzii (F. prausnitzii) is an important beneficial bacterium in the human gut, recognized for its anti-inflammatory properties. It plays a crucial role in maintaining gut health by supporting a balanced microbiome and reinforcing the intestinal barrier.

Faecalibacterium prausnitzii

Bile acids are compounds essential for fat digestion, produced by the liver and stored in the gallbladder. While most are reabsorbed into the body, some are eliminated in stool. Measuring bile acids in stool helps evaluate digestive health, especially in diagnosing fat malabsorption and related disorders.

Bile acids

Akkermansia muciniphila is a gut bacterium that helps maintain the intestinal mucosa and a healthy gut lining. It is linked to beneficial metabolic and immune effects and may play a key role in gut health, weight management, and overall well-being.

Akkermansia muciniphila

Candida spp is a group of yeast-like fungi that can affect various parts of the body, including the gut and vagina. These fungi often cause symptoms such as itching, discomfort, and discharge, typically resulting from an imbalance in the body’s natural flora. In the gut, Candida spp can interfere with digestion, leading to bloating and changes in bowel habits. Factors such as diet, overall health, and antibiotic use can contribute to their overgrowth, and addressing these factors is important to restore balance and relieve symptoms.

Candida spp

The quantitative determination of nitrogen (N) is a laboratory test that measures nitrogen levels in bodily excretions, typically urine or feces, to evaluate protein digestion and absorption. This test is crucial for assessing nutritional status, especially in clinical settings where protein-energy malnutrition or imbalances may be a concern. It offers important insights into metabolic functions related to protein turnover and can help diagnose conditions affecting protein metabolism, including kidney disease, malabsorption syndromes, and certain metabolic disorders.

NSG1Quantitative Determination of Nitrogen

Pancreatic elastase is an enzyme produced by the pancreas that plays a crucial role in protein digestion. Measuring its levels in stool can offer valuable insights into pancreatic function. Because the enzyme remains stable in fecal matter, it serves as a dependable marker for evaluating the exocrine function of the pancreas, particularly in diagnosing pancreatic insufficiency.

Pancreatic elastase

The Dysbiosis Index is a metric used to evaluate the level of imbalance in the gut microbiome, indicating the presence and severity of dysbiosis. It measures changes in microbial diversity and composition compared to a healthy reference group. A higher index indicates more significant dysbiosis, which may be associated with health problems such as inflammation, digestive disorders, or metabolic conditions.

Dysbiosis

Enterotypes are classifications of the human gut microbiome based on the dominant bacterial groups and their metabolic functions. There are three main enterotypes: Bacteroides-dominant (Type 1), Prevotella-dominant (Type 2), and Ruminococcus-dominant (Type 3). Each type has unique characteristics in how nutrients like fats, carbohydrates, and proteins are metabolized. For example, Prevotella (Type 2) is more efficient at carbohydrate utilization, especially in fiber-rich diets, but less capable of synthesizing certain vitamins. Your enterotype may influence nutrient absorption, gut health, and how your body responds to different types of diets.

Enterotype

Diversity refers to the range of bacterial species found in the gut microbiome. A higher microbial diversity is typically linked to better digestive health, immune function, and resilience against pathogens. Conversely, low diversity may be associated with inflammation, poor nutrient absorption, and various chronic health issues.

Diversity

Histamine-producing bacteria are gut microbes capable of converting the amino acid histidine into histamine, a biogenic amine that plays a central role in immune responses and allergic reactions. While histamine is a necessary signaling molecule, excess production in the gut can contribute to symptoms resembling allergies, such as rashes, headaches, or digestive discomfort. These bacteria may thrive in the presence of chronic stress, poor gut barrier function, or diets rich in histidine-containing foods. Elevated levels are associated with conditions like histamine intolerance or pseudoallergies. Maintaining a balanced microbiome and proper gut barrier integrity may help reduce histamine load from microbial sources.

Histamine-producing bacteria

Indoxyl sulfate is a uremic toxin produced when gut bacteria break down the amino acid tryptophan into indole, which is then absorbed and transformed into indoxyl sulfate in the liver. While small amounts are typically eliminated through the kidneys, elevated levels may suggest impaired detoxification, dysbiosis, or kidney stress. Indoxyl sulfate has been associated with oxidative stress, systemic inflammation, and vascular dysfunction—particularly in people with reduced kidney function. It acts as a marker of both microbial activity and the body’s capacity to process and remove metabolic waste.

Indoxyl sulfate

Ammonia is a nitrogen-containing compound produced in the gut through the breakdown of proteins and amino acids by intestinal bacteria. In a healthy gut, most ammonia is either used by microbes or absorbed and detoxified by the liver. Elevated fecal ammonia levels may indicate excessive protein fermentation, gut dysbiosis, or an imbalance between beneficial and pathogenic bacteria. High levels can contribute to mucosal irritation, inflammation, and may compromise gut barrier function. Ammonia levels are a useful marker of microbial protein metabolism and intestinal health.

Ammonia

Secondary bile acids are produced in the colon through bacterial modification of primary bile acids originally made in the liver. While they contribute to digestion and microbial balance, high levels may indicate dysbiosis, excessive fat consumption, or disrupted bile acid metabolism. Certain secondary bile acids, such as deoxycholic acid (DCA) and lithocholic acid (LCA), have been linked to mucosal irritation, inflammation, and a heightened risk of colorectal conditions when levels remain elevated. Testing their presence in stool aids in evaluating gut microbial activity and bile detoxification.

Secondary bile acids

Beta-glucuronidase is an enzyme produced by certain gut bacteria that can break the bond between glucuronic acid and various toxins, hormones, or drugs that the liver has prepared for elimination. Elevated beta-glucuronidase activity in stool may indicate a microbial imbalance and can interfere with detoxification by reactivating substances like estrogen and xenobiotics in the colon. This reactivation may contribute to systemic toxicity or hormonal imbalances. Measuring beta-glucuronidase in stool helps assess microbial metabolism and detoxification efficiency in the gut.

Beta-glucuronidase

Phenols are organic compounds produced by gut bacteria during the fermentation of certain amino acids, especially tyrosine. Some phenols, like p-cresol, can be toxic at high concentrations and are linked to dysbiosis or imbalances in the gut microbiota. Elevated phenol levels in stool may indicate microbial activity that could strain the liver’s detoxification systems. Monitoring phenols helps evaluate how effectively the gut is managing protein breakdown and microbial fermentation.

Phenols

Equol is a compound produced by gut bacteria during the metabolism of the soy isoflavone daidzein. It functions as a non-steroidal estrogen and may offer various health benefits, including antioxidant and hormone-balancing effects. However, only certain individuals have the specific gut bacteria capable of producing equol. Measuring equol in stool samples helps determine whether the gut microbiome can efficiently convert daidzein, providing insight into microbial diversity and function related to estrogen metabolism.

Equol

Candida krusei is a species of yeast that can be part of the gut mycobiome but is generally found in low numbers. It is known for its natural resistance to certain antifungal treatments, especially fluconazole, making its identification clinically important. An overgrowth of C. krusei may occur in individuals with disrupted gut flora, weakened immune systems, or high sugar consumption. Elevated levels in stool may indicate an imbalance in the microbial community or a yeast overgrowth condition that could contribute to digestive discomfort and systemic symptoms.

Candida krusei

Candida glabrata is a species of yeast that naturally inhabits the human gastrointestinal and genitourinary tracts. While usually harmless in healthy individuals, it can become opportunistic in people with weakened immune systems, potentially leading to infections. Compared to other Candida species, C. glabrata is often more resistant to common antifungal medications. Its overgrowth in stool samples may signal microbial imbalance (dysbiosis), immune suppression, or prior antibiotic use. Tracking its levels can provide valuable insights into overall gut health and the risk of fungal overgrowth.

Candida glabrata

Candida parapsilosis is a yeast species that may be part of the normal human microbiota, especially on the skin and in the gastrointestinal tract. While usually harmless in healthy individuals, it can become opportunistic and cause infections, particularly in hospitalized or immunocompromised patients. It is often linked to catheter-associated infections, wound infections, and sometimes gastrointestinal issues. Increased levels in stool may suggest an imbalance in the gut microbiome, recent antibiotic use, or weakened immune function. Tracking its presence can be important for evaluating fungal overgrowth or gut dysbiosis.

Candida parapsilosis

Candida tropicalis is a yeast species that can exist as part of the normal human microbiota, particularly in the gastrointestinal tract and mucosal surfaces. It has a higher pathogenic potential compared to some other non-albicans Candida species and is commonly associated with systemic infections in immunocompromised individuals. In the gut, elevated levels of C. tropicalis may indicate fungal overgrowth, dysbiosis, or a weakened immune system. Its presence in stool testing can help identify imbalances in the gut mycobiome and potential sources of inflammation or infection.

Candida tropicalis

Candida lusitaniae is a less common yeast species that can be part of the normal flora in the human body but has been linked to opportunistic infections, especially in individuals with weakened immune systems. It is notable for its potential resistance to certain antifungal treatments, particularly amphotericin B. In stool analysis, the presence of C. lusitaniae may indicate fungal overgrowth or dysbiosis, especially when found in elevated amounts. Detecting it is important for evaluating gut microbial balance and guiding further clinical investigation if necessary.

Candida lusitaniae

Methanobrevibacter species are archaea—microorganisms distinct from bacteria—that mainly reside in the human gut. These microbes are recognized for producing methane gas as a byproduct of fermentation, particularly from hydrogen and carbon dioxide. Elevated levels of Methanobrevibacter spp. have been linked to slowed intestinal transit and symptoms such as constipation and bloating. Unlike many bacteria, archaea are not affected by standard antibiotics, making their overgrowth more challenging to manage. Their presence offers insight into the balance of microbial communities and gas production within the gut.

Methanobrevibacter spp.

Firmicutes is one of the major bacterial phyla in the human gut microbiome, comprising many species involved in extracting energy from food. These bacteria efficiently break down complex carbohydrates and produce short-chain fatty acids, which can support gut and metabolic health. However, a disproportionately high ratio of Firmicutes to Bacteroidetes has been linked in some studies to obesity and metabolic disturbances. Therefore, the balance of Firmicutes is an important marker for assessing microbial diversity and potential metabolic tendencies. Individual health effects depend on overall composition and host factors.

Firmicutes

Butyrivibrio spp. are beneficial gut bacteria known for producing butyrate, a short-chain fatty acid that plays a key role in maintaining intestinal health. Butyrate supports the integrity of the gut lining, reduces inflammation, and serves as a primary energy source for colon cells. The presence of Butyrivibrio is generally considered a positive indicator of a healthy microbiome. Low levels may suggest reduced butyrate production, which can be associated with intestinal inflammation or dysbiosis. These bacteria thrive on dietary fiber and are part of the Firmicutes phylum.

Butyrivibrio spp.

Coprococcus spp. are beneficial bacteria in the human gut microbiome, belonging to the Firmicutes phylum. These microbes are known for their ability to produce butyrate, a short-chain fatty acid that supports gut barrier integrity, modulates inflammation, and promotes overall digestive health. Higher levels of Coprococcus are often associated with a well-balanced microbiome and improved mental well-being, as butyrate can also influence brain health through the gut-brain axis. Low levels may indicate poor fiber fermentation, gut dysbiosis, or inflammation. Their presence is generally considered a marker of a healthy, fiber-rich diet.

Coprococcus spp.

Eubacterium spp. are a diverse group of anaerobic bacteria found in the human gut, classified within the Firmicutes phylum. Many species within this genus play a beneficial role in maintaining gut health by producing short-chain fatty acids (SCFAs), particularly butyrate. These compounds help nourish colon cells, support immune function, and reduce inflammation. Some species may also be involved in bile acid metabolism and vitamin synthesis. An imbalance in Eubacterium populations may be associated with dysbiosis or chronic gastrointestinal conditions.

Eubacterium spp.

Roseburia spp. are beneficial, anaerobic bacteria belonging to the Firmicutes phylum and commonly found in the healthy human gut. These bacteria are recognized for their ability to produce butyrate, a short-chain fatty acid that serves as a crucial energy source for colonocytes and helps reduce inflammation in the gut. A balanced level of Roseburia is often linked to better metabolic health, improved gut barrier function, and a lower risk of inflammatory disorders. Reduced levels have been associated with conditions such as obesity, type 2 diabetes, and inflammatory bowel disease.

Roseburia spp.

Ruminococcus spp. are a group of anaerobic bacteria within the Firmicutes phylum, commonly found in the human gut microbiota. They play a significant role in fermenting complex carbohydrates and producing short-chain fatty acids like acetate and butyrate, which support gut health and energy metabolism. Ruminococcus species are considered important for maintaining a balanced gut environment, particularly because of their fiber-degrading abilities. Altered levels of Ruminococcus have been linked to digestive issues, irritable bowel syndrome (IBS), and metabolic disorders.

Ruminococcus spp.

Fusobacterium is a genus of anaerobic, gram-negative bacteria naturally found in the human oral cavity, gastrointestinal tract, and sometimes in the vaginal flora. While some species may exist as part of a normal microbiome, Fusobacterium is also known for its association with inflammation and infection. High levels in the gut have been linked to conditions such as inflammatory bowel disease (IBD) and colorectal cancer. Its presence is often considered a marker of microbial imbalance or pathogenic overgrowth, especially when found alongside symptoms like bloating or altered bowel habits.

Fusobacterium

Proteobacteria is a large phylum of gram-negative bacteria that includes both harmless commensals and potential pathogens. In the gut, a small amount of Proteobacteria can be normal, but elevated levels are often considered a marker of dysbiosis and inflammation. This group includes species such as Escherichia, Salmonella, Helicobacter, and Klebsiella, some of which are linked to gastrointestinal disorders, infections, and metabolic imbalances. An increased abundance of Proteobacteria may reflect microbial instability or a pro-inflammatory gut environment.

Proteobacteria

Acinetobacter spp. are a group of gram-negative bacteria commonly found in soil, water, and occasionally in the human gut. Although not typically predominant in a healthy microbiome, certain strains can colonize the intestines, especially after antibiotic use or in hospital settings. Some species, such as Acinetobacter baumannii, are recognized for their antibiotic resistance and their role in infections, particularly in immunocompromised patients. In stool analysis, the presence of Acinetobacter may indicate environmental exposure, microbial imbalance, or antibiotic-induced changes in gut flora.

Acinetobacteria spp.

Citrobacter spp. are a group of gram-negative bacteria belonging to the Enterobacteriaceae family. They are commonly found in soil, water, and the intestinal tracts of humans and animals. While some species are part of the normal gut flora in small amounts, elevated levels may indicate dysbiosis or overgrowth. Certain species, such as Citrobacter freundii, have been associated with gastrointestinal disturbances, urinary tract infections, and hospital-acquired infections in vulnerable individuals. In stool testing, the presence of Citrobacter may indicate microbial imbalance, immune stress, or prior antibiotic use.

Citrobacter spp.

Morganella spp., most notably Morganella morganii, are gram-negative bacteria belonging to the Enterobacteriaceae family. They are considered opportunistic pathogens and are occasionally found in the human intestinal tract as part of the normal flora. However, elevated levels in stool may indicate dysbiosis or potential infection risk, especially in immunocompromised individuals. Morganella is also known for its production of biogenic amines, such as putrescine and cadaverine, which can contribute to gut and systemic symptoms. In clinical settings, Morganella morganii has been associated with urinary tract infections and other hospital-acquired infections.

Morganella spp.

Providencia spp. are gram-negative, facultatively anaerobic bacteria that belong to the Enterobacteriaceae family. They are typically not dominant members of the gut microbiome but can be present in small amounts. Some species, such as Providencia stuartii and Providencia rettgeri, are considered opportunistic pathogens and have been linked to urinary tract infections and gastrointestinal issues. Elevated levels in a stool sample may indicate microbial imbalance (dysbiosis) or an overgrowth of potentially harmful strains. Providencia species are also known for their ability to produce urease and contribute to ammonia production.

Providencia spp.

Bilophila wadsworthii is a gram-negative, anaerobic, sulfur-reducing bacterium commonly present in small amounts in the human gut. It can metabolize bile acids and reduce sulfur compounds to hydrogen sulfide (H₂S), a gas that, in excessive quantities, can be toxic to gut epithelial cells and disrupt intestinal integrity. Increased levels of Bilophila wadsworthii have been linked to inflammatory conditions like colitis and may signal a dysbiotic gut environment, particularly in response to high-fat or high-animal protein diets. This bacterium is considered a potential pathobiont due to its ability to trigger inflammation under certain circumstances.

Bilophila wadsworthii

Desulfomonas pigra is a species of sulfate-reducing bacteria (SRB) found in anaerobic environments, including the human gut. It plays a role in sulfur metabolism by reducing sulfate to hydrogen sulfide (H₂S). While hydrogen sulfide is a naturally occurring compound in the colon, elevated levels produced by SRBs like D. pigra can disrupt intestinal barrier function and contribute to gastrointestinal inflammation or discomfort. Increased abundance of Desulfomonas pigra may indicate an overgrowth of sulfur-reducing microbes, potentially associated with diets high in sulfur-containing foods or imbalances in gut microbiota.

Desulfomonas pigra

Desulfovibrio piger is a common sulfate-reducing bacterium (SRB) in the human gut microbiota. It reduces sulfate and other sulfur compounds into hydrogen sulfide (H₂S), a gas that in small amounts plays physiological roles but in excess can be toxic to intestinal cells. Elevated levels of D. piger have been linked to gastrointestinal disorders such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS). Its abundance may indicate increased sulfur intake through diet or an imbalanced microbial community that promotes sulfur metabolism.

Desulfovibrio piger

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Sugar in Stool Test | Diagnose Malabsorption | GetTested

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The stool sugar test detects carbohydrate malabsorption, helping diagnose conditions like lactose or fructose intolerance by measuring undigested sugars.

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Stool Tests

GetTested&rsquo;s IBS test is an in-depth gastrointestinal test that analyses the intestinal flora (bacteria and yeast), digestive function such as pancreatic elastase, bile acids, digestive residues, as well as alpha-1 antitrypsin, calprotectin and secretory IgA. The IBS Test is suitable for you who wish to make a thorough examination of your gut, as many of our health problems arise from imbalances in our gut.
If you&rsquo;re dealing with IBS, consider combining this with our&nbsp;<a href="/product/sibo-test-lab">SIBO Test</a>&nbsp;to further investigate potential root causes of your symptoms.

GetTested&rsquo;s Gut Microbiome Test Large is the test for you who want a comprehensive overview of your gut health. Many health problems arise from imbalances in our gut and this test is an in-depth analysis of your gut by measuring the presence of bacteria, yeast, the pH of the stool and digestive functions, such as pancreatic elastase, bile acids, digestive residues, as well as alpha-1 antitrypsin, calprotectin and secretory IgA.
If you&rsquo;re dealing with IBS, consider combining this with our&nbsp;<a href="/product/sibo-test-lab">SIBO Test</a>&nbsp;to further investigate potential root causes of your symptoms.

The Gut Microbiome Test XL is for those who really want to understand their health. Whether you have IBS/IBD, stomach issues like Crohn&rsquo;s disease or ulcerative colitis, weight problems, diseases such as Parkinson&rsquo;s or Alzheimer&rsquo;s, depression, or other diffuse problems with no apparent cause, this test can provide answers to any gut imbalances you may have. It is our most comprehensive and best-selling gut health test.
If you&rsquo;re dealing with IBS, consider combining this with our&nbsp;<a href="/product/sibo-test-lab">SIBO Test</a>&nbsp;to further investigate potential root causes of your symptoms.

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Individuals experiencing symptoms of carbohydrate malabsorption such as gas, bloating, diarrhea, and abdominal pain after consuming certain sugars should consider this test. It is particularly recommended for those suspected of having lactose or fructose intolerance or other related digestive disorders.

Who should undergo the quantitative determination of sugar test?

Symptoms that may warrant a stool sugar test include chronic diarrhea, abdominal cramps, bloating, and gas, especially following the consumption of specific types of carbohydrates like dairy products (lactose) or fruits and sweeteners (fructose).

What are the typical symptoms indicating a need for a stool sugar test?

Abnormal results are generally caused by an inability to digest certain sugars due to deficiencies in specific enzymes like lactase in the case of lactose intolerance or issues with the transport mechanisms in the intestinal cells. These deficiencies prevent the normal breakdown and absorption of sugars.

What causes abnormal results in a stool sugar test?

The samples are analyzed in a laboratory to detect and measure the amount of undigested sugars, indicating malabsorption.

Quantitative Determination of Sugar

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