There are many nuances to consider in the use of b vitamins, reports the Chronicle.info with reference to Realist.
“In some cases because of interactions with other vitamins or medications, and vitamins you are taking additionally, it can be hard to digest or even to harm health. So make it a rule: before taking any supplements — always consult your doctor,” she said.
According to Suprun, vitamin B12 is essential for red blood cell formation, development of neurons and DNA synthesis. Its deficiency in the body can lead to accumulation of homocysteine (a neurotoxic compound), anemia, loss of balance, “the fog”, numbness of extremities, fatigue and memory loss.
A lack of vitamin B12 often manifests itself in older age, after reduction surgery of the stomach, with acidity of the stomach or medication to reduce, at reception of preparations against heartburn, diseases of the gastrointestinal tract, in the case of a vegan diet.
“Vitamin B12 stored in the liver. In normal, we have a stock for several years, but then it might dry up. That’s why people the first time when veganism and raw food, especially if they eat a lot of meat. After a few years the majority of returns to the consumption of meat and does not have time to experience deficiency symptoms of vitamin B12,” — said acting Minister.
To take this vitamin should be thus:
— the daily need for vitamin B12 depends on the age. For adults it is 2.4 mcg per day. For pregnant women and breastfeeding — the need for this vitamin a little more;
— vitamin B12 has traditionally been prescribed injectable, but effective and the use doses of 1000 mcg of the vitamin per day, oral;
— in case of problems with the gastrointestinal tract vitamin B12 is poorly absorbed from food. But its high dose will allow to overcome the limitations. This vitamin can be reserved and is non-toxic, so it makes sense to drink it, or inject it, not constantly, and courses;
the b vitamins interact, so sometimes it is important to drink a complex of vitamins, namely to choose the correct form.
A lack of vitamin B12 in the body can be “suspect” by analyzing blood levels of homocysteine (a substance that becomes more if not enough vitamin B12). But this analysis is not completely reliable.
“If you consume large doses of folic acid, as in the case of a vegan diet, homocysteine levels will be normal,” wrote Suprun.
Another marker of B12 deficiency is megaloblastic anemia. Her diagnosed through a blood test. This analysis should be taken regularly.
Anemia due to B12 lack of passes, but neurodegenerative processes due to lack of cyanocobalamin is irreversible. Therefore it is better to prevent them.
Studies show that people with various forms of dementia often lacks vitamins B12 and B9, but their therapeutic effect on patients with dementia is quite weak.
Vitamin B12 is contained in animal food, primarily in red meat, liver and fish. He is also in eggs, milk. Some products can add extra.
Consume vitamin B12 in supplements, tablets or injections should be the first thing such people:
— vegans and vegetarians with the experience;
— people with reduced stomach acidity;
— people who have chronic bowel disease (Crohn’s disease, irritable bowel syndrome, or undergoing surgery on the gastrointestinal tract);
— people over 50 years old.
— people with AIDS;
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— patients taking antacids, Metformin for diabetes.