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Caffeine content: Caffeinated

However, not all individuals produce UroA efficiently owing to variations in gut microbiome composition, which has led to the development of direct supplementation strategies to achieve consistent levels across different populations (Reference Singh, DAmico and Andreux11)

Nature 423 , 876881 (2003)

This difference may be due to the concentration of BC in the study being insufficient to reduce IL-1 levels or because aging did not significantly increase IL-1 levels, potentially weakening BCs anti-inflammatory effects on IL-1

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