b12 injection or oral Shot Guide: Benefits, Dosage & Side Effects Vitamin B12 Injections vs. Oral

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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

Vegetarians, elderly people, those suffering from pernicious or megaloblastic anemia, atrophic gastritis, Celiac disease, Crohns disease or other types of inflammatory gastrointestinal disorders are at greater risk for B12 deficiency