About 60% of adults use dietary supplements (DS). Over 20,000 ER visits yearly are due to DS. The Patient Education Materials Assessment Tool for Printable Materials (PEMAT-P) is an instrument to assess the understandability and actionability of patient educational materials. The OTC Guide contains a list of pharmacist-recommended nonprescription products including DS. This study involves applying Chat GPT-4 to the PEMAT-P to obtain an understandability and actionability score for the most commonly recommended DS by pharmacists for 18 conditions. Understandability and actionability scores ranged from 50-100% but scores > 70% are generally preferred. Implications of the study will be discussed.
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