Medical News Today
"Best to Use": The main advantage of Second Generation FIT® is that an individual performs the whole test at home and does not need to send a sample in the mail. A 2019 meta-analysis notes that FIT has a high overall diagnostic accuracy for colorectal cancer and is a viable screening method. This conclusion is consistent with that of a 2017 peer reviewed article which adds that although FIT is 95% accurate in detecting colorectal cancer, it has a low sensitivity for detecting colon polyps.
VeryWell Health
"Best At-Home Colon Cancer Tests": Available for purchase at many drug stores, this test provides results in minutes. Pinnacle BioLabs is a privately held company certified by the U.S. Food and Drug Administration (FDA) to manufacture various medical test kits for use at home. The company was founded in 2011 and started producing consumer tests in 2016. The FIT test can be ordered over-the-counter for use in testing for blood in the stool. Pinnacle BioLabs indicates that its test detects globlin (proteins found in blood) levels at 50 ng/mL (50 billionths of a gram) with 98% sensitivity and 96% specificity.
Healthline
"Best Fecal Immunochemical Tests of 2021": ...their test has been the bestselling colon cancer screening test in the United States for 6 consecutive years.To perform this test, you’ll collect your stool sample using a tube with an attached wand. You’ll gather your stool with the wand and then put it back into the tube. Next, you’ll add three drops of the provided solution to the test cassette. The window on the test will give you your results in just 1 to 3 minutes.Two lines indicate a positive test result (blood is present in the stool) and one line indicates a negative result.You can buy it online or find it at major retailers. This test is tax-free and ships free.