Access the following resources for further information:
– PMC article: https://pmc.ncbi.nlm.nih.gov/articles/PMC7347016/
– PMC article: https://pmc.ncbi.nlm.nih.gov/articles/PMC6017582/
– PMC article: https://pmc.ncbi.nlm.nih.gov/articles/PMC10774856/
– FDA consumer update: https://www.fda.gov/consumers/consumer-updates/spilling-beans-how-much-caffeine-too-much
– ScienceDirect article: https://www.sciencedirect.com/science/article/pii/S2667031324001520
