Vitamin B-12 Deficiency
It is well known that Vitamin B-12 is very useful to help with energy levels, mood, eye and brain function,clearer thinking, sleep and weight loss. Vitamin B-12 deficiency is very common, especially among Vegetarians, patients with chronic GI problems, weight loss surgery and celiac disease. Smoking and the over-consumption of alcohol can lead to Vitamin B-12 deficiency. The natural absorption of Vitamin B-12 diminishes with age. Untreated Vitamin B-12 deficiency can lead to neurological problems such as dementia or pernicious anemia, vision loss, heart disease and many other problems.