If you've been feeling weak, foggy, or experiencing numbness in your hands and feet, it could be a sign of vitamin B12 deficiency. B12 is essential for nerve function and red blood Semaglutide Bad Taste in Mouth: Causes and Management Fella Health 9 Mouth and Lip Changes That Can Signal Vitamin B12 Deficiency Vitamin B12 deficiency symptoms: A metallic taste in your mouth could be a sign Express.co.uk Im Sure Its That #wait, Vitamin B12 deficiency can be surprisingly serious, especially when it comes to the nervous system. Without enough B12, the body struggles to make healthy red blood cells