File:Testing of a set of advanced sports supplements confirms concerns about a lack of quality control and validation.png

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From the study "Presence and Quantity of Botanical Ingredients With Purported Performance-Enhancing Properties in Sports Supplements"

Summary[edit]

Description
English: "Dietary supplement products were included in this case series if they were labeled as containing 1 of the following ingredients: R vomitoria, methylliberine, turkesterone, halostachine, or octopamine. All products were purchased online, and products were excluded if the actual label did not list 1 of the 5 ingredients. Powder from the dietary supplement products was reconstituted in methanol and analyzed for the presence and quantity of the 5 ingredients and FDA-prohibited ingredients by liquid chromatography quadrupole time-of-flight mass spectrometry."
Date
Source https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2807343
Author Authors of the study: Pieter A. Cohen, Bharathi Avula, Kumar Katragunta, John C. Travis, Ikhlas Khan

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