Vitamin B12 deficiency, also known as pernicious anemia, is a serious health condition that affects millions of people worldwide.
It occurs when your body has an inadequate supply of the vitamin, which can be caused by genetics, gastrointestinal disorders, and even simple diet choices.
Although symptoms of the deficiency are common and harmless in the early stages, they can rapidly become dangerous if they’re left untreated.
Early symptoms of vitamin B12 deficiency can be subtle and easily missed. They include fatigue, constipation, loss of appetite, weakness & weight loss.
Severe deficiencies may lead to more serious symptoms such as numbness or tingling in the hands or feet, muscle wasting, diarrhea, memory problems and dementia.
Vitamin B12 is found naturally in animal products, which is why vegans and vegetarians are at risk for deficiency.
Vitamin B12 deficiency, also known as pernicious anemia, is a serious health condition that affects millions of people worldwide.
Other causes include pernicious anemia, Crohn's disease, and gastric bypass surgery.
The best way to prevent a vitamin B12 deficiency is to eat a diet that includes animal products or take a supplement.
If you don’t eat meat, poultry, eggs, or dairy, you may be at risk for a deficiency. The body needs vitamin B12 to make red blood cells and keep the nervous system functioning properly.