However, if left untreated, it can progress and cause: Chronic fatigue and overall weakness Dizziness Pale or yellowish skin tone Mental health problems such as depression, mood swings, irritability, and anxiety Loss of appetite, nausea, and diarrhea, leading to weigh loss Paresthesia: numbness, tingling or burning sensation in feet, legs, and hands Vision problems Vitamin B12 is an essential nutrient, meaning everyone should get it either from food or supplements
Vitamin B12 can improve energy, concentration, memory, and mood only in individuals that have an existing B12 deficiency, Swenor says
Moreover, the enhanced mental clarity and focus resulting from adequate vitamin levels can support your personal and professional growth
Doses can be reduced or titration slowed