Caffeine is a bitter white crystalline purine, a methylzanthine alkaloid .It is aa natural chemical with stimulant effects that is commonly found in coffee, black and green tea, cocoa, cola soft drinks and energy drinks. It may also be found in chocolate bars, energy bars and some non-prescription medications, such as cough syrup and slimming tablet. The prevalence rate of caffeine consumption is very high. It is the world’s most consumed psychoactive drug. Unlike most other psychoactive substances, caffeine remains largely unregulated and legal in nearly all parts of the world. Caffeine consumption has both positive and negative health implications depending on the dosage consumed. Positive health implication of caffeine when consumed in moderate proportion include; mood and brain improvement, lowers the risk of suicide, protect against Alzheimer and Parkinson disease, boost metabolism and fat burning, enhance exercise performance and protect against heart disease and diabetes. While negative implications which occur when mostly when taken in excess dosage include; anxiety, irregular heartbeat, headaches, high blood pressure and it can easily cross the placenta and increase the risk of miscarriage or low birth weight. It is recommended that caffeine consumption should be minimized and recommended dosage should only be consumed, people should form the habit of taken nutrient dense foods and those going through addiction and withdrawal syndrome should seek the help of a therapist.