Is 256 mg of caffeine a lot? A comprehensive guide
                                
                                
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                                    4 min read                                
                            
                                For most healthy adults, the U.S. Food and Drug Administration (FDA) recommends limiting daily caffeine consumption to 400 mg. Given this guideline, is 256 mg of caffeine a lot, and will it have a significant impact? The answer largely depends on your individual tolerance, personal health, and the timing of your consumption.