Does a lack of B-12 cause canker sores? Exploring the Nutritional Link
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5 min read
According to research published in the *Journal of the American Board of Family Medicine*, patients with recurrent canker sores who were treated with vitamin B12 experienced a significant reduction in the duration and number of ulcers. This suggests a strong connection, affirming that a lack of B-12 can indeed cause canker sores in some individuals.
