he Pinnacle BioLabs Second Generation FIT® test is reliable, accurate, and affordable. As the #1 selling colon cancer screening test in the United States for six straight years, the Second Generation FIT® Fecal Immunochemical Test is a proven and recommended colon cancer screening test used by doctors and hospitals nationwide - now available over-the-counter. The test is easy to perform in the comfort of your own home and results are ready within five minutes. With Second Generation FIT®, no prescription, doctors visit, or mailing a sample back to a laboratory is required.