Vitamin B12, B6, and B1 deficiencies can lead to hand tremors due to their role in nerve health. Know the symptoms, causes, ...

A vitamin D deficiency is common, and it can lead to further health issues. Still, many people with the deficiency have no symptoms. Learn more here.

Symptoms of vitamin B6 deficiency include fatigue, swollen tongue, and skin changes. A severe deficiency can lead to anemia ...

“The majority of patients with [mild-to-moderate] vitamin D deficiency have no symptoms,” says Allyson Ocean, M.D., a gastrointestinal oncologist at Weill Cornell Medicine based in New York City.

Vitamin C deficiency is rare, but there are some subtle signs to watch out for. Here are the 15 most common signs and symptoms of vitamin C deficiency.

Symptoms of vitamin C deficiency—also known as scurvy—may include anemia, skin changes, vision problems, and issues with your bones and joints.

Being deficient in thiamine, or vitamin B1, can cause symptoms that are subtle and often overlooked. Here are 8 signs of thiamine deficiency, plus treatments.

Are you experiencing unexpected fatigue, tingling fingers or hair loss? While this could be the result of a variety of health conditions, it could also signal a vitamin deficiency. — 45% for ...

Vitamin B12 is a water-soluble vitamin typically found in animal products. In the U.S., about 6% of U.S. adults younger than 60 have a vitamin B12 deficiency, but that rate jumps to about 20% for ...

Fatigue is one of the most common complaints presented to doctors, yet its cause can often remain elusive. One potential culprit is a deficiency in Vitamin B12, a nutrient essential for red blood ...