Vitamin B-12 is essential for blood health. People with vitamin B-12 deficiency may have a variety of symptoms, including fatigue, nerve problems, and trouble thinking. In this article, we discuss 11 symptoms and their causes.
Vitamin B-12 is essential for blood health. People with vitamin B-12 deficiency may have a variety of symptoms, including fatigue, nerve problems, and trouble thinking. In this article, we discuss 11 symptoms and their causes.
