Yes, B12 deficiency can cause depression. Vitamin B12, also known as cobalamin, is an essential nutrient found in certain foods that helps the body make red blood cells, nerve cells and DNA. A deficiency in B12 can cause a variety of physical and mental health issues, including fatigue, anemia, nerve damage, and depression.
Depression is a mental health disorder that can be caused by a variety of factors, including genetics, environment, and physical health. Low levels of B12 can lead to depression by disrupting the production and utilization of certain neurotransmitters, such as serotonin, which are responsible for regulating mood and emotion. Additionally, vitamin B12 is involved in the production of melatonin, a hormone that helps regulate sleep patterns. If the body is not producing enough melatonin, people may experience insomnia or difficulty sleeping, which can lead to feelings of sadness and depression.
The symptoms of B12 deficiency can mimic those of depression, so it is important for people who experience symptoms of depression to get tested for B12 levels. If a deficiency is found, treatment with supplements or injections of B12 can help improve symptoms of depression. Additionally, increasing intake of B12-rich foods, such as fish, eggs, and dairy can help improve levels of B12 and reduce symptoms of depression.