What are the side effects of biotin?

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Biotin (vitamin B-7, vitamin H) in doses up to 10 mg a day have shown no side effects. This water-soluble B complex vitamin is considered to be non-toxic; however, allergic reaction may occur. Every adverse reaction should be discussed with your doctor. Keep your healthcare providor informed of all your health conditions, prescription medications, over-the-counter drugs, vitamins, and herbal supplements you are taking.

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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.