Is 2000 mg of caffeine too much? The dangerous facts about high intake
                                
                                
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                                    3 min read                                
                            
                                According to the U.S. Food and Drug Administration (FDA), most healthy adults should not consume more than 400 mg of caffeine per day. The answer to whether 2000 mg of caffeine is too much is a resounding yes; it is a dangerously toxic amount that far exceeds recommended safe limits and can cause severe health complications.