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Peptide library

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Published · Online Therapist AI

Policy context

Added

The October 30, 2026 Federal Register notice announces draft interim guidance for certain peptide bulk substances under section 503A. Draft guidance is nonbinding; it is not drug approval, a permanent 503A bulks-list decision or a section 503B pathway. HHS may reconsider enforcement policy as safety or quality information changes.[2][4]

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