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Is a Niacin Flush Dangerous?

Is a Niacin Flush Dangerous?

Niacin (vitamin B3) is essential to your health. It has been used for years to treat high cholesterol levels, sometimes resulting in a characteristic flushing of the skin.

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Dr. Joseph Mercola
Dec 15, 2023
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Is a Niacin Flush Dangerous?
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STORY AT-A-GLANCE

  • Niacin (vitamin B3) deficiency, called pellagra, is characterized by diarrhea, mental confusion and scaly skin sores; it is often confined to people who have problems absorbing the vitamin from food

  • Niacin flush, a common side effect in doses 100 mg and above, is harmless; it starts on your face and may travel to your chest and arms, dis…

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