Your friend Jane just returned from the doctor who diagnosed her with a specific vitamin B toxicity. However, she doesn't recall the name of the vitamin. Which of the following is the only possible culprit associated with toxicity symptoms?

Question

Quizplus · Accepted Answer

Niacin, also known as vitamin B3, is the only B vitamin that can cause toxicity symptoms. Symptoms can include flushing of the skin, itching, and in severe cases, liver damage. Biotin and riboflavin are water-soluble vitamins that cannot accumulate to toxic levels in the body, while vitamin B₁₂ is not a real vitamin.

Your Friend Jane Just Returned from the Doctor Who Diagnosed