Vitamin B3 (Niacin) Deficiency Signs & Symptoms (Skin, Hair, Gastrointestinal, Psychiatric)

Vitamin B3 (Niacin) Deficiency Signs & Symptoms (Skin, Hair, Gastrointestinal, Psychiatric)

Vitamin B3 (also called Niacin) is an essential, water-soluble vitamin that is required for several important biological processes including nutrient metabolism and fatty acid synthesis. A vitamin B3 deficiency (which is also called Pellagra) can cause the condition known as pellagra and can cause a wide variety of gastrointestinal, dermatological and psychiatric symptoms, which we discuss in this lesson.

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