The most common symptoms of B12 deficiency include fatigue, lack of energy, weight loss, anemia, numbness in the hands and feet, difficulty concentrating, and depression. Other symptoms may include a sore tongue, pale skin, tingling in the arms and legs, vision loss, and confusion. B12 deficiency can also lead to megaloblastic anemia, which is caused by a lack of healthy red blood cells. If left untreated, B12 deficiency can lead to serious health problems, such as nerve damage and dementia.

What happens if your B12 is low for too long?

If your B12 levels remain low for too long, it can lead to a variety of health problems. A lack of B12 can cause anemia, fatigue, poor balance and coordination, memory loss, depression, and other neurological symptoms. It can also lead to damage to the nervous system, which can result in nerve pain, numbness, and difficulty walking. If left untreated, a B12 deficiency can lead to permanent damage, so it’s important to get tested if you think you may have a deficiency and to seek medical treatment if necessary.

What is considered a serious B12 deficiency?

A B12 deficiency is considered serious when the levels of vitamin B12 in the body fall below the normal range. B12 deficiency can lead to a range of symptoms, including fatigue, anemia, nerve damage, and confusion. A B12 deficiency can be caused by a number of things, including dietary deficiencies, digestive disorders, and certain medications. If you think you may have a B12 deficiency, it’s important to talk to your doctor and get tested.