When it comes to hair loss, a lack of B12 could lead to: Hair shedding Thinning hair Weak, brittle hair that breaks easily Dull hair Changes to hair texture If a B12 deficiency is causing your hair loss, youll likely experience some other symptoms too, including fatigue and weakness, shortness of breath, headaches and palpitations
Ask about follow-up tests o CBC, liver and kidney function, MMA, or homocysteine may clarify your B12 status
This initial therapy is then traditionally followed by monthly injections of 1 mg of cobalamin
However, your diet is not the only factor determining vitamin B12 absorption
Testing is the only way to know your actual level and whether an absorption issue is present