Vitamin B12 is probably the best known among the B complex vitamins because many people take B12 injections as a treatment for severe pernicious anemia. People who exhibit signs of weakness may be diagnosed with a B12 deficiency and a simple regimen of introducing Vitamin B12 in some other form may greatly help reduce the symptoms. If a true deficiency exists, the person may also have constipation and no appetite, often resulting in weight loss. In more extreme cases, tingling and confusion may be a manifestation of low B12 levels.
Vitamin B12 deficiencies tend to be more common in older adults. The chronic weakness and tendency to sleep more hours than normal, though sometimes considered a normal sign of aging, may actually be attributed to a lack of sufficient B12 being absorbed and utilized by the body.
One important point to remember about B12 is that you may be getting enough of this important vitamin in your daily diet, but your body may not absorb it properly. The release of Vitamin B12 is part of the function of stomach acids. Health issues that include gastric problems may mean the B12 is not being released as it should be. The result of this situation...