Know what

you can't see.

An at-home FIT that checks for hidden blood in stool. The yearly colon screening you can do in ten minutes, without a waiting room

Colonox FIT Stool Test

Tests:
$13.97
1

Most people put this off.

Colon screening saves lives, and this is one of the easiest ways to do yours. Only takes fifteen minutes at home, with nothing to schedule and nothing to mail.

THE TEST

A clear answer, at home.

Polyps and other changes in the colon can bleed in amounts too small to see. This test looks for that blood, so you get a clear result to act on instead of a guess.

The same biomarkers used in clinical settings.

Fecal Occult Blood

Fecal Occult Blood

An early, invisible signal that the colon may need attention.

LEARN MORE

Colonox FIT is an over-the-counter fecal immunochemical test, also called a FIT or iFOBT. It detects human occult blood in stool and is used as an aid in finding gastrointestinal bleeding, including as a yearly colorectal cancer screening step for adults 45 to 75.

  • Detects: human hemoglobin in stool, down to 45 ng/mL
  • Results: read at 10 minutes, valid up to 30
  • Prep: none. No diet changes, no fasting
  • Sample: one bowel movement per test. Collection paper included
  • Private: nothing to mail, no lab, no app
  • Packs: 1, 2 or 3 tests

Tested the way it's actually used.

  • 100% agreement between people testing their own sample at home and trained professionals testing the same sample (100 lay users, 3 sites)
  • 99.6% agreement with an FDA-cleared reference FIT across 525 samples at 3 clinical sites
  • 99.1% consistent results across 3 production lots, 3 sites and 2,205 tests

OCCULT BLOOD SCREENING

Not all blood is visible.
Hidden blood can be linked to several lower GI conditions.

45–75

recommended screening age range

Yearly

recommended screening frequency

10

minutes results ready

A FIT result is not a diagnosis. Follow-up testing may be needed.

OCCULT BLOOD SCREENING

Practical guidance

Easy to use.
Easy to understand.

Everything you need to take the test, understand the result, and know what to do next.

Step 1

Catch the sample

Step 2

Take the sample

Step 3

Run the test

Colonox FIT detects hidden blood in stool as an aid in the diagnosis of gastrointestinal bleeding. It is not a diagnosis, and it is not a substitute for the screening your provider recommends. Talk to your provider about your result.

IN THE BOX

Everything you need.

A look inside the kit, and how it works.

Questions

The ones we hear most often.

Stool tests can be obtained through several accessible options depending on your needs, convenience, and preference.

If you're experiencing symptoms or are due for routine screening, a healthcare provider is a reliable place to start. Your doctor or medical clinic can order a stool test as part of an overall diagnostic process. After receiving the necessary collection kit from your healthcare provider, you can collect the stool sample at home following the provided instructions. Once collected, you typically return the sample to a medical lab or your clinic for further analysis. This route allows for direct guidance from a professional, ensuring that the correct test is chosen based on your health history or symptoms.

Pharmacies are another convenient option, where over-the-counter stool test kits are often available for purchase. These kits, which commonly detect hidden blood in stool or test for certain gastrointestinal issues, can be bought without a prescription. After purchasing a kit, you can collect your sample at home and send it to a designated lab for results. This method is straightforward and easily accessible, particularly if you’re looking for a quick option without visiting a healthcare facility.

At-home test kits purchased online offer another convenient and private way to monitor your health. Companies such as Diagnox provide stool test kits designed for home use. These kits come with clear, step-by-step instructions for collecting your sample and sending it back to a lab for analysis. This process allows you to manage everything from home, offering flexibility and discretion, while still receiving lab-verified results.

Additionally, specialty diagnostic laboratories may offer stool test kits directly through their websites. These labs may provide a wider range of testing options, such as testing for gut health, digestive enzyme balance, or colon cancer screening. This option is ideal if you're seeking more specialized testing beyond routine screenings. You can order the kit online, collect your stool sample, and mail it directly to the lab for analysis.

Whichever method you choose, it's essential to use a reliable, accredited service that offers clear instructions for collecting and submitting your sample. Stool tests are valuable tools for detecting a range of conditions, from colon cancer to gastrointestinal disorders, and early detection through testing can often lead to better treatment outcomes. If you're unsure about which test is right for you, consult with a healthcare professional to ensure you're choosing the appropriate type of screening based on your individual health needs.

Learn more about the different kinds of stool tests available through this blog.

Colon cancer can sometimes manifest through noticeable changes in the appearance, shape, or consistency of stool. One of the most common indicators is the presence of blood in the stool, which may cause the stool to look dark, tar-like, or maroon if the bleeding originates from higher up in the colon. This coloration occurs because the blood has had more time to break down as it moves through the digestive tract. On the other hand, bright red blood in the stool is often a sign of bleeding from the lower part of the colon or rectum, which might be more immediately visible and alarming.

Another potential sign of colon cancer is a change in stool shape. For instance, narrow, ribbon-like stools may suggest that a tumor is obstructing the colon, affecting the normal passage of stool. This kind of alteration can indicate a partial blockage that restricts the stool from passing freely.

Changes in bowel habits, such as persistent diarrhea or constipation, or alternating between the two, can also be warning signs. These fluctuations may occur due to a disruption in the normal functioning of the colon, which can be caused by tumors or other abnormal growths.

Beyond these signs, there are other symptoms to be mindful of. Unexplained weight loss, persistent abdominal discomfort, bloating, or a feeling of incomplete bowel evacuation can all be associated with colon cancer or other serious gastrointestinal conditions.

It's crucial to seek medical attention if you experience any of these symptoms, especially if they are persistent or worsen over time. While changes in stool appearance or bowel habits can be related to less serious conditions, they can also be early signs of colon cancer. Early detection is key to successful treatment, and regular screening, such as with a colonoscopy or at-home testing kits, is recommended for adults over 45 or those with a family history of the disease. Regular screening allows for the identification of precancerous polyps or early-stage cancer, often before more noticeable symptoms arise.

Silent signs of colorectal cancer can be difficult to detect, and one of the most crucial indicators is occult blood in the stool. Occult blood refers to blood that is not visible to the naked eye but can be detected through a stool test. It often signals bleeding in the digestive tract, which may be caused by colon polyps or cancer. While people may experience other subtle symptoms, such as changes in bowel habits or unexplained fatigue, the presence of occult blood is a particularly significant red flag because it can be present without any noticeable changes in how a person feels.

This hidden blood loss can gradually lead to anemia, which in turn may cause fatigue, weakness, or shortness of breath. Because occult blood is not always accompanied by obvious symptoms like visible bleeding or pain, regular screening through tests like the FIT (Fecal Immunochemical Test) or FOBT (Fecal Occult Blood Test) is essential, particularly for those at average or high risk for colon cancer. Detecting occult blood early through routine screening allows for prompt investigation and treatment, improving the chances of catching colon cancer in its early stages before it progresses.

At-home stool tests, such as the Colonox FIT kit, are revolutionizing the way people approach colorectal cancer screening and gastrointestinal health. These tests provide a highly accessible and cost-effective alternative to traditional laboratory procedures, making them a popular choice for regular health monitoring.

One of the biggest advantages of at-home stool tests is their affordability. The Colonox FIT kit typically costs between $15 and $30, offering reliable detection of hidden blood in the stool, an early indicator of colorectal cancer. This makes the test highly accessible to a wide audience, especially for individuals looking for a budget-friendly solution without the need for a visit to the clinic.

In addition to affordability, at-home tests offer unmatched convenience. Users can collect their stool sample at home, following simple instructions, and then mail the sample to a lab for analysis. The results are typically processed quickly, providing a clear understanding of any potential health risks without the inconvenience or discomfort of more invasive testing procedures.

At-home tests like Colonox also eliminate the need for expensive and time-consuming visits to medical labs, where comprehensive stool tests can range from $500 to over $2,000 depending on the scope of the test and lab fees. For individuals who need regular screenings or those at average risk for colorectal cancer, using an at-home test provides both peace of mind and significant cost savings.

Furthermore, these tests empower individuals to take control of their health. The simplicity and non-invasive nature of at-home stool tests make them an ideal option for proactive health management. By enabling early detection of potential health issues, tests like the Colonox FIT kit help reduce the need for more intensive treatments down the line, ensuring individuals can address concerns before they become serious.

At-home stool tests offer an affordable, convenient, and effective way for people to monitor their gastrointestinal health. By providing accurate results at a fraction of the cost of clinical tests, products like the Colonox FIT kit make routine health screening more accessible and manageable for a wide range of individuals.

The Colonox FIT test kits are designed to remain stable and effective for up to 40 days during transportation, regardless of temperature fluctuations. They can be safely stored and transported within a temperature range of -20°C to 40°C (-4°F to 104°F). This broad temperature tolerance is crucial for maintaining the accuracy and reliability of the test results, even when the kits are exposed to extreme temperature conditions.

The stability of the Colonox FIT test kits ensures that the test components, including the reagent materials and sample collection devices, do not degrade or lose efficacy during transport. This is important for preserving the integrity of the test and guaranteeing that the results are accurate when the kit reaches its destination.

By accommodating a wide range of temperatures, the Colonox FIT test kits provide flexibility in shipping and handling, reducing the risk of compromised test performance due to temperature-related issues. This stability helps ensure that the test results reflect the true condition of the sample, providing reliable diagnostic information for detecting hidden blood in stool, which can be indicative of conditions such as colorectal cancer.

It is essential to read the test results within the specified time frame—typically 30 minutes—from when the test was conducted. This time window is critical to ensure the accuracy and reliability of the results.

Positive Result

When a test yields a positive result, the indication of the presence of a particular substance or condition generally remains stable for several days. This means that a positive result should not change or become unreliable immediately after the test is completed. However, adhering to the 30-minute reading window is still important to confirm the result accurately, as this timeframe is designed to prevent any potential discrepancies that could arise if the test is read too late.

Negative Result

On the other hand, a negative result can be subject to changes if the test is read after the recommended 30-minute period. Specifically, a negative result might transition into a false positive if the test is read beyond the time frame. This shift can occur due to ongoing chemical reactions or other changes in the test environment that could lead to an inaccurate reading.

To ensure that the test results are both accurate and reliable, it is crucial to check the results within the first 30 minutes. This practice helps prevent any inaccuracies and ensures that the results you receive reflect the true condition being tested. Reading the test outside of this timeframe may compromise the validity of the results, leading to potential misinterpretations and incorrect conclusions.

For the most accurate results with the Colonox FIT stool test, it is important to take multiple samples from each of the three stool specimens. Specifically, you should collect 2 samples from each of the three separate bowel movements, totaling 6 samples. This comprehensive sampling approach is designed to enhance the reliability of the test by increasing the likelihood of detecting any hidden blood in the stool, which can be an indicator of health conditions such as colorectal cancer.

Variability in stool can occur, and some conditions may only be detectable in certain samples. Therefore, gathering samples from multiple bowel movements ensures a more thorough examination and increases the chance of identifying any hidden blood that could signal underlying health problems.

Proper handling and submission of the samples are essential for accurate analysis. Ensure that you adhere to the guidelines for packaging and sending the samples to the testing facility to avoid any issues that could affect the results. This meticulous approach helps to ensure that the test provides a precise assessment of your colorectal health.

Care to know.

Know to care.

We believe sharing knowledge is a form of care — knowledge that guides us to look after ourselves and the people around us. Read, watch, or listen at the depth you want.

fine.

Once a year.
Even when you feel fine.