Vitamin B12 influences the production of brain chemicals such as serotonin and dopamine, which are essential for regulating bipolar disorder. A deficiency can lead to depression, anxiety, irritability, or general fluctuations in bipolar disorder. Several studies suggest that vitamin B12 supplementation may improve mood in people with low vitamin B12 levels.

8. Glossitis and mouth ulcers:
Vitamin B12 deficiency can cause glossitis (a swollen, red, and painful tongue). It can also cause mouth ulcers, a burning sensation in the mouth, and even a loss of taste. These effects can make eating and speaking uncomfortable and may initially be confused with other conditions. Continue on the next page . ️ ️ ⏬⏬ ⏬