Dietary supplement ingredient supplier Specnova, LLC (Tysons Corner, Virginia) has shared data from their in-house investigation into the authenticity of five commercial bulk ingredients labeled to contain “natural” caffeine. The five samples were analyzed by carbon-14 (14C) isotope mass spectrometry at Beta-Analytic (Miami, FL), a contract analytical laboratory specializing in measuring isotopes by mass spectrometry.

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HerbalGram, Issue 29

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