What side effects does biotin cause?

Biotin, also known as vitamin B7, has no known side effects if taken at the recommended dosage. There is no recommended dietary allowance for biotin, but it's considered safe for adults to take 30 micrograms (mcg) of biotin a day.

Based on information from iGuard.org, a free medication monitoring service, 7% of patients experience side effects while taking Biotin. Some of the side effects reported by iGuard members inlcude: Allergic Reaction. Please follow up with your doctor or other healthcare provider if you are experiencing any symptoms that worsen or do not go away.

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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.