Response Letter: Pharmacokinetic Profile of Caffeine and Its Two Main Metabolites in Dried Blood Spots After Five Different Oral Caffeine Administration Forms-A Randomized Crossover Study.

Chiara Tuma, Hans Braun, Andreas Thomas, Mario Thevis, Lasse Trede

Journal: International journal of sport nutrition and exercise metabolism 2024;34(5):332-334

PMID: 39089676

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Abstract

Address: Institute of Biochemistry/Center of Preventive Doping Research, German Sport University Cologne, Cologne, Germany.; German Research Centre of Elite Sports (momentum), German Sport University Cologne, Cologne, Germany.; Institute of Biochemistry/Center of Preventive Doping Research, German Sport University Cologne, Cologne, Germany.; Institute of Biochemistry/Center of Preventive Doping Research, German Sport University Cologne, Cologne, Germany.; German Research Centre of Elite Sports (momentum), German Sport University Cologne, Cologne, Germany.; European Monitoring Center for Emerging Doping Agents, Cologne/Bonn, Germany.

DOI: 10.1123/ijsnem.2024-0138

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MeSH Terms: Humans, Male, Administration, Oral, Caffeine, Cross-Over Studies, Dried Blood Spot Testing, Randomized Controlled Trials as Topic