Vitamin B12 is essential for good health, but some people may not be getting enough. Learn about the symptoms of a vitamin B12 deficiency and how it can be treated: https: wb.md 3XH8ks6 Vitamin B12 deficiency symptoms: A metallic taste in your mouth could be a sign Express.co.uk Vitamin B12 deficiency symptoms: A metallic taste in your mouth could be a sign Express.co.uk 5 Signs You Might Have A Scary Vitamin B12 Deficiency Women's Health Now offering B12 injections! If these symptoms sound all too familiar, it might be time to check your vitamin levels. B12 injections may be absorbed up to 90% more effectively than oral Vitamin B12 deficiency symptoms that show up in your mouth The Mirror