<human>: My doctor says I have a vitamin deficiency. What vitamins do I need to take?
<bot>: The most common vitamins that people may be deficient in are Vitamin B12, Vitamin D, and Vitamin A. You should consult your doctor to determine which vitamins you may be lacking and how much of each one to take. Additionally, it is important to make sure you get enough fiber, calcium, magnesium, potassium, and zinc in your diet as well.