Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...

We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

Add Yahoo as a preferred source to see more of our stories on Google. Fatigue can be a sign of a potential B12 deficiency. Maca and Naca/E+ via Getty Images For several months during the summer of ...

Vitamin A is an important nutrient that plays a role in many crucial bodily functions. A deficiency may occur when a person does not get enough vitamin A to cover their body’s needs, and may lead to ...

Vitamin B12 deficiency can cause symptoms of anemia, nerve problems, and sensory changes that often resemble other conditions, making diagnosis difficult. Most cases are due to low dietary intake or ...

Vitamin C, containing ascorbic acid, is an important water-soluble vitamin vital for many body functions. Low levels of vitamin C can cause symptoms such as a weakened immune system, fatigue, skin ...

Diane Cress does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...