Coffee, tea, energy drinks and other naturally generated stimulants like caffeine are common consumer goods because of their positive effects on mood and cognitive function. This overview looks at the complex relationship between caffeine and human wellness, including both positive and negative impacts. Frequent consumption of caffeine was positively linked to higher concentration, enhanced memory and possible prevention of certain sickness, including insulin resistance and dementia. Furthermore, new research indicates that caffeine may improve cardiac wellness by lowering the risk of haemorrhage and cardiac disease. However, taking excessive amounts of the drug may cause detrimental impact like stress, insomnia, raised blood pressure, upset stomach and possibly a higher risk of developing a dependent. Concerns are also raised about how caffeinated beverages affects conception, bone wellness and the possible cancer risk of several of the chemicals found in coffee. To attempt to equilibrium the expected positive effects of caffeine with individual variability and health problems, this review emphasizes the need for additional study in order to understand the ideal levels of being eaten.