Vitamin B12 or cobalamin has an important role in our body's functions like DNA- RNA synthesis, the formation of Leucocytes (red blood cells), support the nervous system, conversion of fat, and proteins into energy also may help in the process of breaking down carbs.
Is recommended to ingest 2.4 mcg of vitamin B-12 per day for people over the age of 15, since the major source is animal usually vegans and vegetarians suffer from a deficiency, thankfully B-12 supplements are available in pills, injections, and vitamin B-complex.
Deficiency of Vitamin B-12 can lead to megaloblastic anemia, fatigue, anxiety, weakness, shortness of breath, diarrhea, numbness, and tingling sensation.
Below are the main sources of B-12:
shellfish
meat
poultry
eggs (yolk)
milk and dairy products
nutritional yeast
fortified cereals
Lately, Vitamin B12 has been linked to weight loss because it boosts energy levels in the body providing lasting energy, which increases the metabolic rate and promotes activity.
To facilitate weight loss B-12 must be administered by injection supplement.