Mood Changes
People with vitamin B12 deficiency often leads to mood changes. In fact, insufficient levels of vitamin B12 have a direct link with brain and mood disorders such as dementia and depression. The studies report that low levels of vitamin B12 lead to high levels of homocysteine thus causing damage to the brain tissues and interfering with nerve signals thus the person experiences mood swings. If you are having a vitamin B12 deficiency, then taking the supplements can help in improving the symptoms of mood disorders and changes.