Analysis of preparations containing caAeine for use by athletes
DOI:
https://doi.org/10.12775/HERB.2025.009Keywords
caffeine, supplements for athletes, antioxidant propertiesAbstract
Caffeine is a popular and common ingredient in the human diet. A recent study has revealed that 90% of the global adult population consumes caffeine on a daily basis. In European countries, the daily intake of caffeine ranges from 280 to 490 milligrams. The predominant source of caffeine in the global diet is coffee. However, there has been a signicant expansion in the range of products containing caffeine, including medicines and dietary supplements, which has led to widespread and uncontrolled consumption. A salient issue pertains to the regulation of active ingredient content in dietary supplements, a pivotal aspect in ensuring their safe usage. The objective of this study was to ascertain the caffeine and total polyphenol (TP) content in widely consumed products aimed at athletes, with a view to demonstrating adherence to the composition declared by the manufacturer. A selection of five products
with dierent formulations was analysed: a drink, shots and gels. The analysis of these preparations demonstrated that the choice of method of composition testing is significantly impacted by the dieffrent formulations of the products. Compliance with the content of the active substance (caffeine) as stated by the manufacturer was obtained in three out of the five preparations analysed. The preparations also differed in their total polyphenol content, which correlated with the composition of preparations with additional ingredients such as guarana seed extract.
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Copyright (c) 2025 Alicja Chrzanowska, Julia Makulec, Katarzyna Paradowska
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