How Much Caffeine is in a Glass of Southern Sweet Tea?
                                
                                
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                                    4 min read                                
                            
                                An 8-ounce glass of Southern sweet tea typically contains 20 to 50 milligrams of caffeine, a moderate amount that can vary significantly based on brewing method and tea type. This beloved beverage, a staple of Southern hospitality, gets its gentle boost from the black tea leaves used in its preparation.