Are there any risks in taking vitamin B1 (thiamine) supplements?

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Most people can take thiamine (also known as vitamin B1) without any risk of side effects or complications. Sometimes allergic reactions such as skin irritation or rashes may occur, but this is relatively uncommon. Don't take large amounts of vitamins while taking thiamine unless directed by your doctor. If you are pregnant or breastfeeding, thiamine is considered safe as long as you take it as directed by 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.