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and Damigou et al

China, with its large population, exhibits significant demographic diversity and regional differences

Chronic administration of these antibiotics increases the excretion of pivaloyl-carnitine, which can lead to carnitine depletion
That said, studies suggest there isnt a huge difference between how natural and synthetic caffeine affect the body, although synthetic caffeine may be absorbed faster, leading to a more immediate energy boost (6)

D.BarrowsI
