One important nutrient that is essential to our general health is vitamin B. But it's possible that a lot of people aren't ...

Symptoms of vitamin B deficiency may vary ... Vitamin B1 deficiency is rare, and vitamin B2 deficiency is very rare, in the United States. This is because many foods, such as milk and whole ...

Symptoms of vitamin B12, or folate, deficiency can include fatigue, lethargy, low mood, shortness of breath, and nerve problems. Treatment often involves dietary changes or vitamin B12 supplements.