Biohit Oyj, a biotechnology company, manufactures and sells bind acetaldehyde, diagnostic products, and systems for diagnostic analysis for the use of research institutions, healthcare, and industry worldwide. The company's diagnostic tests product includes the GastroPanel Unified test panel for stomach health check; GastroPanel Four-in-One stomach test; GastroSoft software application to assist clinicians and general practitioner; BIOHIT Active B12, a test for measuring the concentration of total vitamin-B12 in the serum; BIOHIT Total 25OH Vitamin D, a test for determination of 25-hydroxyvitamin D2 and D3; and BIOHIT Calprotectin test, a quantitative test that provides a reliable differentiation between inflammatory bowel diseases and irritable bowel syndrome. It also offers GastroPanel quick test NT, a quantitative immunochromatographic test for the detection of Helicobacter pylori (H. Pylori) and atrophic gastritis; BIOHIT Celiac Quick test for diagnosis of celiac disease; Biohit ColonView Quick test, a test for detection of fecal occult blood; Biohit Helicobacter Pylori UFT300 and Helicobacter Pylori Quick test methods to detect H. pylori infection; Gluten Immunogenic Peptides test; and Lactose Intolerance quick test to support the diagnosis of lactose intolerance in a duodenal biopsy specimen. The company provides acetaldehyde-binding products, such as Acetium capsules for protection of stomach; Acetium lozenge, which helps in quitting smoking; and monoclonal antibodies for use in the areas of cellular pathology, neurobiology, oncology, and human gastric biomarkers research. It also offers BIOHIT FAEX for the collection and handling of stool samples; and GP Reader NT, an automated instrument for the quantitative determination of various analytes in human samples, such as whole blood, plasma, or fecal samples by measuring fluorescence signals from lateral flow test cassettes. The company was incorporated in 1988 and is headquartered in Helsinki, Finland.