American Herbal Products Association (AHPA) > Resources > Technical Guidance > Scientific Affairs > Botanical Authentication Program > Glycerin

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Introduction - FDA issued a guidance document in May 2007 that recommends that pharmaceutical manufacturers, repackers, and other suppliers of glycerin, and pharmacists who engage in drug compounding ensure that the glycerin they buy, sell, or use is not contaminated with diethelyene glycol (DEG), a poison. The FDA guidance also recommends specific analytical test methods that include a limit test for DEG.

While the FDA guidance focuses on the pharmaceutical industry, this may also concern many in the dietary supplement industry who use glycerin in extracts and other products.

Guidance & Methods of Analysis


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