How long will 75 mg of caffeine last? Exploring Duration and Influencing Factors
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, the mean half-life of caffeine in healthy adults is about 5 hours. Knowing this, understanding how long will 75 mg of caffeine last requires looking beyond just the number and considering individual factors that influence your body's metabolism and sensitivity to stimulants.