This shift in energy use is particularly beneficial during weight loss or calorie deficits, where muscle loss is a common concern
Other symptoms include mouth ulcers, issues with your vision, anxiety or mild depression
Signs You May Have a B12 Deficiency B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation of the mouth and tongue
Headache is reported by approximately five to ten percent of patients, though this often improves with continued treatment
The gradual dose titration schedule recommended in the prescribing information helps minimize gastrointestinal intolerance