Pfanstiehl D-Mannose High Purity, Low Endotoxin, Low Metals is a highly purified carbohydrate utilized in bioprocessing applications to enhance glycosylation in protein production. Pfanstiehl Mannose has been specifically designed and formulated to remove impurities such as endotoxin, trace metals, and nitrosamines. Manufactured in the USA under ICH-Q7 cGMP conditions, Pfanstiehl Mannose meets parenteral (injectable) excipient grade standards, making it ideal as a bioprocessing feed where impurity contamination can cause undesirable side effects.