What is a Characteristic Symptom of Niacin Deficiency?
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3 min read
According to a study published in the journal *StatPearls*, severe niacin deficiency is known as pellagra, a condition that classically includes dermatitis as a core feature. A characteristic symptom of niacin deficiency is a photosensitive, reddish-brown rash that appears symmetrically on sun-exposed skin.
