9 Mouth and Lip Changes That Can Signal Vitamin B12 Deficiency

Medically reviewed by William Truswell, MD Cracked or dry lips is one potential sign of a vitamin B12 deficiency.Credit: Vitalina Nakonechna / Getty Images Low vitamin B12 makes it hard for your body to renew cells in your mouth, leading to inflammation.  If you have low levels of vitamin B12, you may notice a sore […]