According to the World Health Organization an estimated 6 percent of the global population is vitamin B12 deficient. This means that more than 400 million people do not get enough of the nutrient in their diets. While vitamin B12 deficiency is most commonly seen in developing countries, it can also occur in developed countries.
This deficiency can also lead to anaemia, a condition in which the body does not have enough red blood cells. Red blood cells are responsible for carrying oxygen to the organs and tissues of the body. Without enough of them, the body cannot function properly. Vitamin B12 deficiency can also cause other health problems, such as neuropathy, a condition that affects the nervous system.
There are several symptoms of vitamin B12 deficiency, including anaemia, fatigue, weakness, constipation, loss of appetite, and weight loss. People who are at risk for vitamin B12 deficiency include those who follow a vegan or vegetarian diet, pregnant women, breast-feeding mothers, and the elderly.
While most people get enough vitamin B12 from their diet, some people may need to take supplements. This is especially true for people who do not eat meat or poultry, which are some of the best sources of the nutrient. Vegetarians and vegans can get vitamin B12 from eggs, milk, and certain fortified foods.
There are several ways to get more vitamin B12 in your diet. One is to eat foods that are high in nutrients. Some good sources of vitamin B12 include meat, poultry, fish, eggs, dairy products, and fortified cereals. Another way to increase your intake of vitamin B12 is to take a supplement.
A lack of vitamin B12 can have serious consequences. Vitamin B12 deficiency can also lead to problems with bone health and increase the risk of heart disease. If you think you may be deficient in vitamin 12, talk to your doctor. He or she can order a blood test to check your levels and make sure you are getting enough of the nutrient.