Are there any risks in taking vitamin B3?

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People who have liver problems, ulcers, bleeding of any kind or allergies to niacin, nicotinic acid or tartrazine should not use vitamin B3. Pregnant and breastfeeding women should discuss the risks of using vitamin B3 with their doctors. People with diabetes may have higher blood sugar than normal while using vitamin B3. Other side effects from vitamin B3 may include dizziness, skin irritation or skin flushing.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.