No, vitamin B12 is not a barbiturate
B12 is a vitamin
b12 5.0-97 b12 5.7-57
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The sublingual B12 is only designed to work with those who cannot digest regular B12. Thus the benefits are that you can bigest it far better.
B12 is a relative reference.
Vitamin B12 deficiency is when there is a low blood level of vitamin B12. If it is left untreated, it can cause damage to nervous tissue. There is a wealth of information regarding B12 deficiency on the Wikipedia site.
Perncious anemia is caused by the body's inability to absorb the vitamin B12 from the gastrointestinal tract, due to a loss of gastric parietal cells. Regular B12 supplementation can keep pernicious anemia at bay, though it is not a complete cure. B12 is a vitamin obtained from meat and dairy products.
Very few people are ever deficient in B12. a vitamin that occurs in meat, milk and other dairy product (such as eggs). Unless you are on a vegan diet, there should be no reason for you to be deficient in B12, and taking a B12 supplement will probably not prove beneficial. Consult your GP/family doctor before starting a B12 supplement. (Added note) People suffering from Chronic Anaemia cannot absorb vitamin B12 from their food, and B12 tablets are of no use. They need to have a B12 injection every 3 months.
No. or of no significance for people suffering from B12 deficiency.
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Chicken is probably considered the best source for B12.