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. 2023 Jul 3;6(7):e2323879.
doi: 10.1001/jamanetworkopen.2023.23879.

Presence and Quantity of Botanical Ingredients With Purported Performance-Enhancing Properties in Sports Supplements

Pieter A Cohen  1   2 , Bharathi Avula  3 , Kumar Katragunta  3 , John C Travis  4 , Ikhlas Khan  3
Affiliations

Presence and Quantity of Botanical Ingredients With Purported Performance-Enhancing Properties in Sports Supplements

Pieter A Cohen et al. JAMA Netw Open. .
No abstract available

Plain language summary

This case series study examines the accuracy of labels of dietary sports supplements containing botanical ingredients.

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Conflict of interest statement

Conflict of Interest Disclosures: Dr Cohen reported receiving research support from Consumers Union and the PEW Charitable Trusts, and personal fees from UptoDate outside the submitted work; in addition, he was the subject of a civil suit brought by Hi-Tech Pharmaceuticals, a supplement company, and the jury found in his favor. No other disclosures were reported.

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References

    1. Wang N, Xie YW, Li MY, et al. . Simultaneous determination of five alkaloids from Rauvolfia vomitoria in rat plasma by LC-MS/MS: application to a comparative pharmacokinetic study in normal and type 2 diabetic rats. J Sep Sci. 2021;44(7):1391-1403. doi:10.1002/jssc.202000914 - DOI - PubMed
    1. Wang YH, Mondal G, Butawan M, Bloomer RJ, Yates CR. Development of a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for characterizing caffeine, methylliberine, and theacrine pharmacokinetics in humans. J Chromatogr B Analyt Technol Biomed Life Sci. 2020;1155:122278. doi:10.1016/j.jchromb.2020.122278 - DOI - PubMed
    1. Thevis M, Koch A, Sigmund G, Thomas A, Schänzer W. Analysis of octopamine in human doping control samples. Biomed Chromatogr. 2012;26(5):610-615. doi:10.1002/bmc.1705 - DOI - PubMed
    1. Haller CA, Duan M, Benowitz NL, Jacob P III. Concentrations of ephedra alkaloids and caffeine in commercial dietary supplements. J Anal Toxicol. 2004;28(3):145-151. doi:10.1093/jat/28.3.145 - DOI - PubMed
    1. Cohen PA, Attipoe S, Travis J, Stevens M, Deuster P. Caffeine content of dietary supplements consumed on military bases. JAMA Intern Med. 2013;173(7):592-594. doi:10.1001/jamainternmed.2013.3254 - DOI - PubMed