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Restricted items on Amazon include categories such as medical devices, food, cosmetics, drugs, and copyrighted items. For more information on selling and buying amazon restricted products, we recommend that you refer to the Help section on Amazon Seller Central or Buyer Help on the Amazon website. There you will find detailed guidelines, rules, and requirements related to each category of restricted items. Alternatively, you can contact Amazon Seller or Buyer Support for specific information and answers to your questions.