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Title : Vitamin B12: What Is It And What Does It Do?
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Vitamin B12: What Is It And What Does It Do?

id = " Vitamin B12 is Neded to produce and maintain new cells, including nerve cells and red blood cells. It is also needed to help make DNA. Vitamin B12 joins proteins in food. Once consumed B12, hydrochloric acid in the stomach releases the B12 protein. B12 then combines with a substance called intrinsic factor to be absorbed by the intestines.

How much you need to eat?

There is insufficient to establish a vitamin B12 recommended daily dose for children information. In this case, an adequate intake (AI) has been established

Age	Men and women
0 to 6 months	0.4 mcg / day
7 to 12 months	0.5 mcg / day

The Recommended Dietary Allowance (RDA) of vitamin B12 it is:

Age	males and Females	Pregnancy	Lactation
1 to 3 years	0.9 mcg	N / A	N / A
4-8 years	1.2 mcg	N / A	N / A
9 to 13 years	1.8 mcg	N / A	N / A
14 to 19	2.4 mcg	2.6 mcg	2.8 mcg
19+	2.4 mcg / day	2.6 mcg / day	2.8 mcg / day

What are the sources of vitamin B12?

Vitamin B12 is bound to proteins in foods of animal origin. Breakfast cereals are fortified with vitamin B12, which is very important for people who do not consume an adequate amount of food of animal origin.

Food	Amount	Vitamin B12
Beef, top loin, lean, choice, grilled	3 oz	2.4 mcg
breakfast cereals, fortified	¾ cup	6 mcg
chicken breast, cooked	½ breast	0.3 mcg
Egg	1 large	0.6 mcg
haddock, cooked	3 oz	1.2 mcg
liver, beef	1 slice	47.9 mcg
Milk	1 cup	0.9 mcg
Mollusks, clam	3 oz	84.1 mcg
salmon, sockeye, cooked	3 oz	4.9 mcg
trout, rainbow, farmed, cooked	3 oz	4.2 mcg
trout, rainbow, wild, cooked	3 oz	5.4 mcg
tuna, white, canned in water	3 oz	1.0 mcg
Yogurt, skim milk	1 cup	1.4 mcg

Do I need to take vitamin B12 supplement?

Studies show that most Americans consume an adequate amount of vitamin B12. People who do not eat meat or have a stomach or intestine, which interferes with the absorption you may need to take a vitamin B12 supplement. Older adults may have atrophic gastritis and may need to consume sources and / or additional dietary supplements. There are also some medications that can affect the absorption of vitamin B12, including H2 receptor antagonists are used to treat peptic ulcers inhibitors , metformin, and proton pump. Your doctor can determine your vitamin B12 levels with a blood test.

What happens if you do not have enough vitamin B12?

An inadequate amount of vitamin B12 can cause pernicious anemia. Signs of vitamin B12 deficiency are fatigue constipation , weakness, loss of appetite, weight loss , and numbness and tingling in the hands and feet. You can also experience difficulty maintaining balance, confusion, dementia, depression , and poor memory. Excessive intake of folic acid can mask the symptoms of vitamin B12 deficiency, so it is important to have your levels checked with blood tests if there is a concern, especially if you consume a vegetarian diet.

Is there such a thing as too much vitamin B12?

Currently, there is no maximum tolerable limit for vitamin B12. This does not mean that consuming excessive quantities provide additional health benefits. This means that there is a very low potential for toxicity at high levels. The RDA was set for optimal health, so it is best to stick with those recommendations

Source :. Http: //homehealthyfood.com

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