BIOHIT Active B12 (HoloTC) test BIOHITActive B12 (HoloTC) test Ordering details: • Measures the amount of active vitamin B12 (HoloTC) usable by the body's cells • Proven ELISA technology, support for both automated and manual analysis methods 602290 BIOHIT Active B12 (HoloTC) test, 96 tests • Unlike total B12 kits, no interference from Intrinsic Factor Blocking Antibody (IFBA) • Numerous clinical studies proving the performance of Active B12 over total B12 Contact our team for more information. Laippatie 1, 00880 Helsinki, Finland Not available in the United States. In Japan for research use only. Check availability for other markets. BIOHIT www.biohithealthcare.com

• Reference Range • 21-123 pmol/l Active vitamin B12 is essential Vitamin B12 has the most complex molecular structure of all vitamins and is essential for the normal function of the human neurological system. The only natural source of vitamin B12 is food products of animal origin. A person on an average diet should receive adequate amounts of vitamin B12 from their food, but vitamin B12 deficiency is not uncommon, especially among the elderly because of poor diet. Another common reason for vitamin B12 deficiency is an anacidic (hypochlorydric) stomach, caused either by 1) atrophic gastritis...