What are the side effects of vitamin C?

Occasional side effects from taking vitamin C can include an upset stomach and a foul taste in the mouth. These side effects usually do not need medical attention. However, if you develop other side effects like difficulty in breathing, allergic reactions like hives, swelling, or rashes, diarrhea with a headache or nausea, flushing, or pain in the back, you should contact your doctor.

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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.