The caffeine contents of dietary supplements commonly purchased in the US: analysis of 53 products with caffeine-containing ingredients

Author: Andrews Karen   Schweitzer Amy   Zhao Cuiwei   Holden Joanne   Roseland Janet   Brandt Mary   Dwyer Johanna   Picciano Mary   Saldanha Leila   Fisher Kenneth   Yetley Elizabeth   Betz Joseph   Douglass Larry  

Publisher: Springer Publishing Company

ISSN: 1618-2642

Source: Analytical and Bioanalytical Chemistry, Vol.389, Iss.1, 2007-09, pp. : 231-239

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Abstract