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Supplements for Alertness Caffeine (1-3 mg/kg body weight): a stimulant-based supplement found to amplify alertness and sometimes focus

doi: 10.1111/jre.12872

Loading dose : 150 mg/kg over at least 45-60 minutes

Some have no idea what they are, questioning their safety, and wondering if they are even necessary

Ethics declarations Ethics approval This study was performed in line with the principles of the Declaration of Helsinki

One possibility is that the incorporation of polyunsaturated fatty acids (PUFAs) into cell membranes during evolution was highly advantageous, allowing more complex physiological functions, including the development of complex neuronal circuits, modulating membrane fluidity, and allowing cells to adapt to environments with different temperatures, among other beneficial functions (Barelli and Antonny, 2016)