Vitamin B12 is considered an essential vitamin. That is to say, the body requires vitamin b12 to function correctly. Typically you will see this vitamin being taken with others orally. There are several Vitamin B12 benefits as well as symptoms for deficiencies.
Vitamin B12 Benefits
This vitamin can be taken orally to treat and prevent B12 deficiency. It can also treat pernicious anemia which is typically found in older people. Some research shows that it can help with memory loss, Alzheimer’s disease, slow aging, and to boost energy, mood, mental function, and concentration.
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There are many benefits of Vitamin B12, and you can view a full list on WebMD.com.
Some people use vitamin B12 by mouth for amyotrophic lateral sclerosis (Lou Gehrig’s disease), multiple sclerosis, preventing the eye disease age-related macular degeneration (AMD), a condition in which the body products too much thyroid hormone, Lyme disease and gum disease. It is also used by mouth for respiratory tract infections, maintaining fertility, ringing in the ears, bleeding, liver and kidney disease, canker sores, preventing fractures, preventing stroke, preventing blood clots, and for protection against the poisons and allergens in tobacco smoke. It is also taken by mouth to prevent cancer, including breast cancer, cervical cancer, colorectal cancer, and lung cancer. – WebMD.com
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It is also a very common vitamin used to help the body use fat and carbohydrates. This is why many weight loss clinics will offer B12 injections. I’ve personally tried the B12 injections out of curiosity. I didn’t feel any sort of adverse effects, and I did notice a slight increase in metabolism. I have not compared the injections to oral consumption to compare effectiveness.
Common sources of Vitamin B12 are multivitamin supplements, chewables, and food. Food sources include eggs, fish, meat, etc.
One thing I have learned though is that there are different compounds of Vitamin B12 which have different absorption rates. Cyanocobalamin is not absorbed as effectively in the body as methylcobalamin. When you look for vitamins next time, check the label for which one you are taking.