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Who should not take vitamin B3 supplements?

People who have liver problems, ulcers, bleeding of any kind or allergies to niacin, nicotinic acid or tartrazine should not take vitamin B3. Pregnant and breastfeeding women should discuss the risks they would be taking by using vitamin B3 with their doctors. Diabetics may need to talk to their doctors about adjusting their doses of insulin or oral medications. You should talk to your doctor about any conditions you have or have had in the past -- especially gout, chest pain, alcohol use, jaundice, diabetes, ulcers and any problems with your liver, kidneys, gallbladder, heart or muscle-known allergies, current medications and supplements before taking vitamin B3.
 

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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.