Vegetarians, women who are pregnant, and lactating mothers may be more likely to need vitamin B12 supplementation. Deficiency of vitamin B12 may also occur in older adults as well as people with various gastrointestinal diseases. Some research indicates that the use of folic acid supplements may mask vitamin B12 deficiency. Deficiency of vitamin B12 can lead to vision problems, muscle weakness, and mood disturbances. Many nutritionists recommend vitamin B12 to provide a boost of energy. An interesting point is that a lack of vitamin B12 may result in a false positive pap smear. Vitamin B12 may support healthy nerves, red blood cells, and DNA. We are now using the preferred form of Vitamin B12, methylcobalamin, which is absorbed better and faster by the body. This vitamin B12 lozenge may be swallowed or dissolved in the mouth as a lozenge.