A Summary of the Key Differences Between the FDA’s Drug and Dietary Supplement GMPs Share page: In general, the Part 111 GMP requirements, although similar, are less stringent and tend to be more flexible than the Part 211 GMP requirements. Document(s) to download: Summary-of-Key-Differences-Between-FDA-Drug-Dietary-Supplement-GMPs-03042015.pdf (147.02 KB) Issues: OTC Medicines Dietary Supplements Other Issues Quality Related Posts Press Releases and Statements CHPA Highlights Critical Importance of Consumer Healthcare, Warns of Unintended Consequences from Tariffs Feb 3, 2025 Press Releases and Statements CHPA Strengthens Regulatory Team with Two Accomplished Industry Experts Jan 31, 2025 Effectiveness of Phenylephrine as an Oral Decongestant